Index: lams_common/db/model/lams_11.clay
===================================================================
diff -u -rc3b67bcdafb1b56f41f9254b054eac0d6ae15c9b -r8bd9b88a431c50cf5b0f64a8e48a9d2ccc748fda
--- lams_common/db/model/lams_11.clay	(.../lams_11.clay)	(revision c3b67bcdafb1b56f41f9254b054eac0d6ae15c9b)
+++ lams_common/db/model/lams_11.clay	(.../lams_11.clay)	(revision 8bd9b88a431c50cf5b0f64a8e48a9d2ccc748fda)
@@ -1,18 +1,18 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <clay-model clay-version="1.2.0">
 <database-model alias="" author="" begin-script="" end-script="" name="lams_11" remarks="" sql-dialect-id="jp.azzurri.clay.model.physical.dialect.MySQL_4_0_Dialect" version="1.0">
-<database-model-description></database-model-description>
+<database-model-description/>
 <schema-list>
 <schema alias="" name="DEFAULT_SCHEMA" remarks="">
-<schema-description></schema-description>
+<schema-description/>
 <domain-list/>
 <table-list>
 <table alias="" name="lams_authentication_method" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="942" y="97"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="authentication_method_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -25,7 +25,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="3" decimal-digits="0" default-value="0" mandatory="true" name="authentication_method_type_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -38,26 +38,26 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="authentication_method_name" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="authentication_method_id"/>
 </primary-key>
 <unique-key-list>
 <unique-key alias="" name="UQ_lams_authentication_method_1" remarks="">
-<unique-key-description></unique-key-description>
+<unique-key-description/>
 <unique-key-column name="authentication_method_name"/>
 </unique-key>
 </unique-key-list>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_authorization_method_1" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="lams_auth_method_type" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -66,21 +66,21 @@
 </foreign-key-list>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="authentication_method_id" sort="ASC"/>
 </index>
 <index alias="" name="authentication_method_type_id" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="authentication_method_type_id" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="lams_auth_method_type" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="940" y="10"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="3" decimal-digits="0" default-value="" mandatory="true" name="authentication_method_type_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -93,32 +93,32 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="64" decimal-digits="0" default-value="" mandatory="true" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="authentication_method_type_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list/>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="authentication_method_type_id" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="lams_gate_activity_level" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="1520" y="1519"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="0" mandatory="true" name="gate_activity_level_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -131,32 +131,32 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="128" decimal-digits="0" default-value="" mandatory="true" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="gate_activity_level_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list/>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="gate_activity_level_id" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="lams_grouping_type" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="954" y="780"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="" mandatory="true" name="grouping_type_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -169,32 +169,32 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="128" decimal-digits="0" default-value="" mandatory="true" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="grouping_type_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list/>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="grouping_type_id" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="lams_learning_activity" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="613" y="1146"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="activity_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -207,7 +207,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="" mandatory="false" name="activity_ui_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -220,26 +220,26 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="65535" decimal-digits="0" default-value="" mandatory="false" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="false" name="title" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="help_text" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="" mandatory="false" name="xcoord" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -252,7 +252,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="" mandatory="false" name="ycoord" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -265,7 +265,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="parent_activity_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -278,7 +278,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="" mandatory="false" name="parent_ui_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -291,7 +291,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="0" mandatory="true" name="learning_activity_type_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -304,7 +304,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="3" decimal-digits="0" default-value="" mandatory="true" name="grouping_support_type_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -317,7 +317,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="" mandatory="true" name="apply_grouping_flag" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT(%n)">
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
 <variant type-name-pattern="TINYINT"/>
@@ -330,7 +330,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="grouping_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -343,7 +343,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="" mandatory="false" name="grouping_ui_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -356,7 +356,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="" mandatory="false" name="order_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -369,7 +369,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="4" decimal-digits="0" default-value="0" mandatory="true" name="define_later_flag" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT(%n)">
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
 <variant type-name-pattern="TINYINT"/>
@@ -382,7 +382,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="learning_design_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -395,7 +395,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="learning_library_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -408,13 +408,13 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="create_date_time" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="" mandatory="true" name="run_offline_flag" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT(%n)">
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
 <variant type-name-pattern="TINYINT"/>
@@ -427,7 +427,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="5" decimal-digits="0" default-value="" mandatory="false" name="max_number_of_options" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -440,7 +440,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="5" decimal-digits="0" default-value="" mandatory="false" name="min_number_of_options" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -453,13 +453,13 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="options_instructions" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="tool_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -472,7 +472,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="tool_content_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -485,7 +485,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="3" decimal-digits="0" default-value="" mandatory="true" name="activity_category_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -498,7 +498,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="" mandatory="false" name="gate_activity_level_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -511,7 +511,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="" mandatory="false" name="gate_open_flag" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT(%n)">
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
 <variant type-name-pattern="TINYINT"/>
@@ -524,7 +524,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="38" decimal-digits="0" default-value="" mandatory="false" name="gate_start_time_offset" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -537,7 +537,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="38" decimal-digits="0" default-value="" mandatory="false" name="gate_end_time_offset" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -550,26 +550,26 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="gate_start_date_time" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="gate_end_date_time" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="false" name="library_activity_ui_image" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="create_grouping_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -582,7 +582,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="" mandatory="false" name="create_grouping_ui_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -595,7 +595,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="library_activity_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -608,14 +608,14 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="false" name="language_file" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="system_tool_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -629,90 +629,90 @@
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="activity_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_learning_activity_7" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="lams_learning_library" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="learning_library_id" referenced-key-column-name="learning_library_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_learning_activity_6" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="lams_learning_design" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="learning_design_id" referenced-key-column-name="learning_design_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_learning_activity_2" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="lams_learning_activity" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="parent_activity_id" referenced-key-column-name="activity_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_learning_activity_3" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="lams_learning_activity_type" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="learning_activity_type_id" referenced-key-column-name="learning_activity_type_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_learning_activity_6" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="lams_grouping" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="grouping_id" referenced-key-column-name="grouping_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_learning_activity_8" on-delete="" on-update="" referenced-key="PK_LAMS_TOOL" referenced-table="lams_tool" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="tool_id" referenced-key-column-name="tool_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_learning_activity_10" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_gate_activity_level" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="gate_activity_level_id" referenced-key-column-name="gate_activity_level_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_learning_activity_9" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_grouping" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="create_grouping_id" referenced-key-column-name="grouping_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_learning_activity_11" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_learning_activity" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="library_activity_id" referenced-key-column-name="activity_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_learning_activity_12" on-delete="" on-update="" referenced-key="PK_LAMS_ACTIVITY_CATEGORY" referenced-table="lams_activity_category" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="activity_category_id" referenced-key-column-name="activity_category_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_learning_activity_13" on-delete="" on-update="" referenced-key="PK_LAMS_GROUPING_SUPPORT_TYPE" referenced-table="lams_grouping_support_type" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="grouping_support_type_id" referenced-key-column-name="grouping_support_type_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_learning_activity_14" on-delete="" on-update="" referenced-key="PK_LAMS_SYSTEM_TOOL" referenced-table="lams_system_tool" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -721,37 +721,37 @@
 </foreign-key-list>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="activity_id" sort="ASC"/>
 </index>
 <index alias="" name="idx_activity_library_id" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="learning_library_id" sort="ASC"/>
 </index>
 <index alias="" name="idx_activity_design_id" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="learning_design_id" sort="ASC"/>
 </index>
 <index alias="" name="idx_activity_grouping_id" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="grouping_id" sort="ASC"/>
 </index>
 <index alias="" name="idx_activity_activity_type_id" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="learning_activity_type_id" sort="ASC"/>
 </index>
 <index alias="" name="idx_activity_parent_id" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="parent_activity_id" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="lams_learning_activity_type" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="482" y="1029"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="0" mandatory="true" name="learning_activity_type_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -764,32 +764,32 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="learning_activity_type_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list/>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="learning_activity_type_id" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="lams_learning_design" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="-71" y="1258"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="learning_design_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -802,7 +802,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="" mandatory="false" name="learning_design_ui_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -815,20 +815,20 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="65535" decimal-digits="0" default-value="" mandatory="false" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="false" name="title" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="first_activity_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -841,7 +841,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="" mandatory="false" name="max_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -854,7 +854,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="4" decimal-digits="0" default-value="" mandatory="true" name="valid_design_flag" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT(%n)">
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
 <variant type-name-pattern="TINYINT"/>
@@ -867,7 +867,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="4" decimal-digits="0" default-value="" mandatory="true" name="read_only_flag" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT(%n)">
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
 <variant type-name-pattern="TINYINT"/>
@@ -880,13 +880,13 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="19" decimal-digits="0" default-value="" mandatory="false" name="date_read_only" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="user_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -899,25 +899,25 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="65535" decimal-digits="0" default-value="" mandatory="false" name="help_text" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="online_instructions" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="offline_instructions" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="4" decimal-digits="0" default-value="" mandatory="true" name="copy_type_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT(%n)">
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
 <variant type-name-pattern="TINYINT"/>
@@ -930,13 +930,13 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="create_date_time" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="56" decimal-digits="0" default-value="" mandatory="false" name="version" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
@@ -956,7 +956,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="workspace_folder_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -969,7 +969,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="38" decimal-digits="0" default-value="" mandatory="false" name="duration" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -982,7 +982,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="license_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -995,54 +995,54 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="license_text" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="last_modified_date_time" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="32" decimal-digits="0" default-value="" mandatory="false" name="content_folder_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="learning_design_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_learning_design_3" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_user" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="user_id" referenced-key-column-name="user_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_learning_design_4" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_workspace_folder" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="workspace_folder_id" referenced-key-column-name="workspace_folder_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_learning_design_5" on-delete="" on-update="" referenced-key="PK_LAMS_LICENSE" referenced-table="lams_license" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="license_id" referenced-key-column-name="license_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_learning_design_6" on-delete="" on-update="" referenced-key="PK_LAMS_COPY_TYPE" referenced-table="lams_copy_type" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -1051,29 +1051,29 @@
 </foreign-key-list>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="learning_design_id" sort="ASC"/>
 </index>
 <index alias="" name="idx_design_parent_id" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="original_learning_design_id" sort="ASC"/>
 </index>
 <index alias="" name="idx_design_user_id" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="user_id" sort="ASC"/>
 </index>
 <index alias="" name="idx_design_first_act" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="first_activity_id" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="lams_group" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="1142" y="698"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="group_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -1086,14 +1086,14 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="group_name" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="grouping_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -1106,7 +1106,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="6" decimal-digits="0" default-value="1" mandatory="true" name="order_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -1120,13 +1120,13 @@
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="group_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_learning_group_1" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="lams_grouping" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -1135,21 +1135,21 @@
 </foreign-key-list>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="group_id" sort="ASC"/>
 </index>
 <index alias="" name="idx_group_grouping" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="grouping_id" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="lams_grouping" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="1045" y="956"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="grouping_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -1162,7 +1162,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="" mandatory="false" name="grouping_ui_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -1175,7 +1175,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="" mandatory="true" name="grouping_type_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -1188,7 +1188,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="" mandatory="false" name="number_of_groups" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -1201,7 +1201,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="" mandatory="false" name="learners_per_group" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -1214,7 +1214,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="0" mandatory="false" name="staff_group_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -1227,7 +1227,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="3" decimal-digits="0" default-value="" mandatory="false" name="max_number_of_groups" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -1241,13 +1241,13 @@
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="grouping_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_learning_grouping_1" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="lams_grouping_type" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -1256,21 +1256,21 @@
 </foreign-key-list>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="grouping_id" sort="ASC"/>
 </index>
 <index alias="" name="idx_grouping_grouping_type" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="grouping_type_id" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="lams_learning_library" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="810" y="1895"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="learning_library_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -1283,20 +1283,20 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="65535" decimal-digits="0" default-value="" mandatory="false" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="false" name="title" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="1" mandatory="true" name="valid_flag" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT(%n)">
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
 <variant type-name-pattern="TINYINT"/>
@@ -1309,31 +1309,31 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="create_date_time" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="learning_library_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list/>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="learning_library_id" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="lams_learning_transition" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="300" y="1508"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="transition_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -1346,7 +1346,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="" mandatory="false" name="transition_ui_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -1359,20 +1359,20 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="65535" decimal-digits="0" default-value="" mandatory="false" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="false" name="title" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="to_activity_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -1385,7 +1385,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="from_activity_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -1398,7 +1398,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="0" mandatory="true" name="learning_design_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -1411,13 +1411,13 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="create_date_time" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="" mandatory="false" name="to_ui_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -1430,7 +1430,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="" mandatory="false" name="from_ui_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -1444,27 +1444,27 @@
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="transition_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_learning_transition_3" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="lams_learning_activity" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="from_activity_id" referenced-key-column-name="activity_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_learning_transition_2" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="lams_learning_activity" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="to_activity_id" referenced-key-column-name="activity_id"/>
 </foreign-key>
 <foreign-key alias="" name="lddefn_transition_ibfk_1" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="lams_learning_design" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -1473,29 +1473,29 @@
 </foreign-key-list>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="transition_id" sort="ASC"/>
 </index>
 <index alias="" name="ldId" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="learning_design_id" sort="ASC"/>
 </index>
 <index alias="" name="idx_transition_to_activity" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="to_activity_id" sort="ASC"/>
 </index>
 <index alias="" name="idx_transition_from_activity" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="from_activity_id" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="lams_organisation" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="191" y="137"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="organisation_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -1508,28 +1508,28 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="250" decimal-digits="0" default-value="" mandatory="true" name="name" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="code" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="250" decimal-digits="0" default-value="" mandatory="false" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="parent_organisation_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -1542,7 +1542,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="3" decimal-digits="0" default-value="0" mandatory="true" name="organisation_type_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -1555,13 +1555,13 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="create_date" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="created_by" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -1574,7 +1574,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="workspace_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -1587,7 +1587,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="3" decimal-digits="0" default-value="" mandatory="true" name="organisation_state_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -1600,7 +1600,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="0" mandatory="true" name="admin_add_new_users" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT(%n)">
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
 <variant type-name-pattern="TINYINT"/>
@@ -1613,7 +1613,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="0" mandatory="true" name="admin_browse_all_users" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT(%n)">
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
 <variant type-name-pattern="TINYINT"/>
@@ -1626,7 +1626,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="0" mandatory="true" name="admin_change_status" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT(%n)">
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
 <variant type-name-pattern="TINYINT"/>
@@ -1639,7 +1639,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="0" mandatory="true" name="admin_create_guest" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT(%n)">
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
 <variant type-name-pattern="TINYINT"/>
@@ -1652,7 +1652,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="locale_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INTEGER" selected-variant-pattern="INTEGER">
 <variant type-name-pattern="INTEGER"/>
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INTEGER(%n)"/>
@@ -1665,48 +1665,48 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="archived_date" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="organisation_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_organisation_1" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="lams_organisation_type" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="organisation_type_id" referenced-key-column-name="organisation_type_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_organisation_2" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="lams_workspace" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="workspace_id" referenced-key-column-name="workspace_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_organisation_3" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="lams_organisation" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="parent_organisation_id" referenced-key-column-name="organisation_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_organisation_4" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PK_LAMS_ORGANISATION_STATE" referenced-table="lams_organisation_state" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="organisation_state_id" referenced-key-column-name="organisation_state_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_organisation_5" on-delete="" on-update="" referenced-key="PK_LAMS_SUPPORTED_LOCALE" referenced-table="lams_supported_locale" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -1715,33 +1715,33 @@
 </foreign-key-list>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="organisation_id" sort="ASC"/>
 </index>
 <index alias="" name="organisation_type_id" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="organisation_type_id" sort="ASC"/>
 </index>
 <index alias="" name="workspace_id" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="workspace_id" sort="ASC"/>
 </index>
 <index alias="" name="parent_organisation_id" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="parent_organisation_id" sort="ASC"/>
 </index>
 <index alias="" name="organisation_state_id" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="organisation_state_id" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="lams_organisation_type" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="-53" y="113"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="3" decimal-digits="0" default-value="" mandatory="true" name="organisation_type_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -1754,43 +1754,43 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="64" decimal-digits="0" default-value="" mandatory="true" name="name" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="organisation_type_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list/>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="organisation_type_id" sort="ASC"/>
 </index>
 <index alias="" name="UQ_lams_organisation_type_name" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="name" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="lams_role" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="486" y="9"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="6" decimal-digits="0" default-value="0" mandatory="true" name="role_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -1803,48 +1803,48 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="64" decimal-digits="0" default-value="" mandatory="true" name="name" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="65535" decimal-digits="0" default-value="" mandatory="false" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="create_date" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="role_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list/>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="role_id" sort="ASC"/>
 </index>
 <index alias="" name="gname" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="name" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="lams_user" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="1544" y="303"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="user_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -1857,126 +1857,126 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="login" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="50" decimal-digits="0" default-value="" mandatory="true" name="password" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="32" decimal-digits="0" default-value="" mandatory="false" name="title" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="128" decimal-digits="0" default-value="" mandatory="false" name="first_name" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="128" decimal-digits="0" default-value="" mandatory="false" name="last_name" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="64" decimal-digits="0" default-value="" mandatory="false" name="address_line_1" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="64" decimal-digits="0" default-value="" mandatory="false" name="address_line_2" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="64" decimal-digits="0" default-value="" mandatory="false" name="address_line_3" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="64" decimal-digits="0" default-value="" mandatory="false" name="city" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="64" decimal-digits="0" default-value="" mandatory="false" name="state" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="10" decimal-digits="0" default-value="" mandatory="false" name="postcode" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="64" decimal-digits="0" default-value="" mandatory="false" name="country" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="64" decimal-digits="0" default-value="" mandatory="false" name="day_phone" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="64" decimal-digits="0" default-value="" mandatory="false" name="evening_phone" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="64" decimal-digits="0" default-value="" mandatory="false" name="mobile_phone" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="64" decimal-digits="0" default-value="" mandatory="false" name="fax" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="128" decimal-digits="0" default-value="" mandatory="false" name="email" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="0" mandatory="true" name="disabled_flag" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT(%n)">
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
 <variant type-name-pattern="TINYINT"/>
@@ -1989,13 +1989,13 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="create_date" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="0" mandatory="true" name="authentication_method_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2008,7 +2008,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="workspace_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2021,7 +2021,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="flash_theme_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2034,7 +2034,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="html_theme_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2047,14 +2047,14 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="false" name="chat_id" remarks="ID used for Jabber">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="locale_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INTEGER" selected-variant-pattern="INTEGER">
 <variant type-name-pattern="INTEGER"/>
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INTEGER(%n)"/>
@@ -2067,7 +2067,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="portrait_uuid" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2081,41 +2081,41 @@
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="user_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_user_1" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="lams_authentication_method" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="authentication_method_id" referenced-key-column-name="authentication_method_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_user_2" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="lams_workspace" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="workspace_id" referenced-key-column-name="workspace_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_user_4" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PK_LAMS_CSS_THEME_VE" referenced-table="lams_css_theme_ve" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="flash_theme_id" referenced-key-column-name="theme_ve_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_user_5" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PK_LAMS_CSS_THEME_VE" referenced-table="lams_css_theme_ve" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="html_theme_id" referenced-key-column-name="theme_ve_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_user_6" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PK_LAMS_SUPPORTED_LOCALE" referenced-table="lams_supported_locale" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -2124,33 +2124,33 @@
 </foreign-key-list>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="user_id" sort="ASC"/>
 </index>
 <index alias="" name="UQ_lams_user_login" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="login" sort="ASC"/>
 </index>
 <index alias="" name="authentication_method_id" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="authentication_method_id" sort="ASC"/>
 </index>
 <index alias="" name="workspace_id" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="workspace_id" sort="ASC"/>
 </index>
 <index alias="" name="login" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="login" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="lams_user_organisation" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="561" y="163"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="user_organisation_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2163,7 +2163,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="organisation_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2176,7 +2176,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="user_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2190,20 +2190,20 @@
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="user_organisation_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_user_organisation_1" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="lams_organisation" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="organisation_id" referenced-key-column-name="organisation_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_user_organisation_2" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="lams_user" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -2212,25 +2212,25 @@
 </foreign-key-list>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="user_organisation_id" sort="ASC"/>
 </index>
 <index alias="" name="user_id" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="user_id" sort="ASC"/>
 </index>
 <index alias="" name="organisation_id" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="organisation_id" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="lams_user_organisation_role" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="715" y="20"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="user_organisation_role_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2243,7 +2243,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="user_organisation_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2256,7 +2256,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="6" decimal-digits="0" default-value="" mandatory="true" name="role_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -2270,20 +2270,20 @@
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="user_organisation_role_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_user_organisation_role_2" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="lams_role" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="role_id" referenced-key-column-name="role_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_user_organisation_role_3" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="lams_user_organisation" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -2292,25 +2292,25 @@
 </foreign-key-list>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="user_organisation_role_id" sort="ASC"/>
 </index>
 <index alias="" name="role_id" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="role_id" sort="ASC"/>
 </index>
 <index alias="" name="user_organisation_id" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="user_organisation_id" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="lams_workspace" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="470" y="319"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="workspace_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2323,7 +2323,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="default_fld_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2336,7 +2336,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="def_run_seq_fld_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2349,28 +2349,28 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="false" name="name" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="workspace_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_workspace_1" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_workspace_folder" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="def_run_seq_fld_id" referenced-key-column-name="workspace_folder_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_workspace_2" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_workspace_folder" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -2379,20 +2379,20 @@
 </foreign-key-list>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="workspace_id" sort="ASC"/>
 </index>
 <index alias="" name="root_folder_id" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 </index>
 </index-list>
 </table>
 <table alias="" name="lams_workspace_folder" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="149" y="683"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="workspace_folder_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2405,7 +2405,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="parent_folder_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2418,14 +2418,14 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="64" decimal-digits="0" default-value="" mandatory="true" name="name" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="user_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2438,19 +2438,19 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="create_date_time" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="last_modified_date_time" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="3" decimal-digits="0" default-value="" mandatory="true" name="lams_workspace_folder_type_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -2464,20 +2464,20 @@
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="workspace_folder_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_workspace_folder_2" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="lams_workspace_folder" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="parent_folder_id" referenced-key-column-name="workspace_folder_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_workspace_folder_4" on-delete="" on-update="" referenced-key="PK_LAMS_WORKSPACE_FOLDER_TYPE" referenced-table="lams_workspace_folder_type" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -2486,21 +2486,21 @@
 </foreign-key-list>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="workspace_folder_id" sort="ASC"/>
 </index>
 <index alias="" name="parent_folder_id" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="parent_folder_id" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="lams_lesson" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="-87" y="329"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="lesson_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2513,7 +2513,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="learning_design_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2526,7 +2526,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="user_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2539,26 +2539,26 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="name" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="create_date_time" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="organisation_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2571,7 +2571,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="class_grouping_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2584,7 +2584,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="3" decimal-digits="0" default-value="" mandatory="true" name="lesson_state_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -2597,31 +2597,31 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="start_date_time" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="schedule_start_date_time" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="end_date_time" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="schedule_end_date_time" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="3" decimal-digits="0" default-value="" mandatory="false" name="previous_state_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -2634,7 +2634,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="1" mandatory="false" name="learner_exportport_avail" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT(%n)">
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
 <variant type-name-pattern="TINYINT"/>
@@ -2648,41 +2648,41 @@
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_LESSON" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="lesson_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_lesson_1_1" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_learning_design" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="learning_design_id" referenced-key-column-name="learning_design_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_lesson_2" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_user" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="user_id" referenced-key-column-name="user_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_lesson_3" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_organisation" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="organisation_id" referenced-key-column-name="organisation_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_lesson_4" on-delete="" on-update="" referenced-key="PK_LAMS_LESSON_STATE" referenced-table="lams_lesson_state" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="lesson_state_id" referenced-key-column-name="lesson_state_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_lesson_5" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_grouping" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -2692,11 +2692,11 @@
 <index-list/>
 </table>
 <table alias="" name="lams_learner_progress" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="1471" y="1055"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="learner_progress_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2709,7 +2709,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="user_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2722,7 +2722,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="lesson_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2735,7 +2735,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="0" mandatory="true" name="lesson_completed_flag" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT(%n)">
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
 <variant type-name-pattern="TINYINT"/>
@@ -2748,7 +2748,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="" mandatory="true" name="waiting_flag" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT(%n)">
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
 <variant type-name-pattern="TINYINT"/>
@@ -2761,19 +2761,19 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="start_date_time" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="finish_date_time" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="current_activity_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2786,7 +2786,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="next_activity_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2799,7 +2799,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="previous_activity_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2812,7 +2812,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="" mandatory="true" name="requires_restart_flag" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT(%n)">
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
 <variant type-name-pattern="TINYINT"/>
@@ -2826,41 +2826,41 @@
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_LEARNER_PROGRESS" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="learner_progress_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_learner_progress_1" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_user" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="user_id" referenced-key-column-name="user_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_learner_progress_2" on-delete="" on-update="" referenced-key="PK_LAMS_LESSON" referenced-table="lams_lesson" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="lesson_id" referenced-key-column-name="lesson_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_learner_progress_3" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_learning_activity" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="current_activity_id" referenced-key-column-name="activity_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_learner_progress_4" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_learning_activity" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="next_activity_id" referenced-key-column-name="activity_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_learner_progress_5" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_learning_activity" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -2869,18 +2869,18 @@
 </foreign-key-list>
 <index-list>
 <index alias="" name="IX_lams_learner_progress_1" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="user_id" sort="ASC"/>
 <index-column name="lesson_id" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="lams_tool" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="1174" y="1657"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="tool_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2900,21 +2900,21 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="service_name" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="tool_display_name" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
@@ -2935,7 +2935,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="learning_library_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2948,7 +2948,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="default_tool_content_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -2961,7 +2961,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="1" mandatory="true" name="valid_flag" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT(%n)">
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
 <variant type-name-pattern="TINYINT"/>
@@ -2974,7 +2974,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="3" decimal-digits="0" default-value="" mandatory="true" name="grouping_support_type_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -2987,7 +2987,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="" mandatory="true" name="supports_run_offline_flag" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT(%n)">
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
 <variant type-name-pattern="TINYINT"/>
@@ -3000,109 +3000,109 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="learner_url" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="learner_preview_url" remarks="Learner screen for preview a learning design. ">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="learner_progress_url" remarks="Teacher's view of a learner's screen.">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="author_url" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="define_later_url" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="export_pfolio_learner_url" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="export_pfolio_class_url" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="monitor_url" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="contribute_url" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="moderation_url" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="help_url" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="create_date_time" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="false" name="language_file" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_TOOL" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="tool_id"/>
 </primary-key>
 <unique-key-list>
 <unique-key alias="" name="UQ_lams_tool_sig" remarks="">
-<unique-key-description></unique-key-description>
+<unique-key-description/>
 <unique-key-column name="tool_signature"/>
 </unique-key>
 <unique-key alias="" name="UQ_lams_tool_class_name" remarks="">
-<unique-key-description></unique-key-description>
+<unique-key-description/>
 <unique-key-column name="service_name"/>
 </unique-key>
 </unique-key-list>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_tool_1" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_learning_library" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="learning_library_id" referenced-key-column-name="learning_library_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_tool_2" on-delete="" on-update="" referenced-key="PK_LAMS_GROUPING_SUPPORT_TYPE" referenced-table="lams_grouping_support_type" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -3112,11 +3112,11 @@
 <index-list/>
 </table>
 <table alias="" name="lams_tool_session" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="1352" y="763"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="tool_session_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3129,7 +3129,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="3" decimal-digits="0" default-value="" mandatory="true" name="tool_session_type_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -3142,7 +3142,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="lesson_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3155,7 +3155,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="activity_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3168,7 +3168,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="3" decimal-digits="0" default-value="" mandatory="true" name="tool_session_state_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -3181,13 +3181,13 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="create_date_time" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="group_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3200,7 +3200,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="user_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3213,61 +3213,61 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="128" decimal-digits="0" default-value="" mandatory="true" name="unique_key" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="tool_session_name" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_TOOL_SESSION" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="tool_session_id"/>
 </primary-key>
 <unique-key-list>
 <unique-key alias="" name="UQ_lams_tool_session_1" remarks="">
-<unique-key-description></unique-key-description>
+<unique-key-description/>
 <unique-key-column name="unique_key"/>
 </unique-key>
 </unique-key-list>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_tool_session_4" on-delete="" on-update="" referenced-key="PK_LAMS_TOOL_SESSION_STATE" referenced-table="lams_tool_session_state" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="tool_session_state_id" referenced-key-column-name="tool_session_state_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_tool_session_5" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_user" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="user_id" referenced-key-column-name="user_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_tool_session_7" on-delete="" on-update="" referenced-key="PK_LAMS_TOOL_SESSION_TYPE" referenced-table="lams_tool_session_type" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="tool_session_type_id" referenced-key-column-name="tool_session_type_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_tool_session_8" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_learning_activity" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="activity_id" referenced-key-column-name="activity_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_tool_session_1" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_group" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -3277,11 +3277,11 @@
 <index-list/>
 </table>
 <table alias="" name="lams_progress_completed" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="1383" y="1355"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="learner_progress_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3294,7 +3294,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="activity_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3308,21 +3308,21 @@
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_PROGRESS_COMPLETED" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="learner_progress_id"/>
 <primary-key-column name="activity_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_progress_completed_1" on-delete="" on-update="" referenced-key="PK_LAMS_LEARNER_PROGRESS" referenced-table="lams_learner_progress" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="learner_progress_id" referenced-key-column-name="learner_progress_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_progress_completed_2" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_learning_activity" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -3332,11 +3332,11 @@
 <index-list/>
 </table>
 <table alias="" name="lams_progress_attempted" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="1563" y="1413"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="learner_progress_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3349,7 +3349,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="activity_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3363,21 +3363,21 @@
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_PROGRESS_ATTEMPTED" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="learner_progress_id"/>
 <primary-key-column name="activity_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_progress_current_1" on-delete="" on-update="" referenced-key="PK_LAMS_LEARNER_PROGRESS" referenced-table="lams_learner_progress" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="learner_progress_id" referenced-key-column-name="learner_progress_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_progress_current_2" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_learning_activity" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -3387,11 +3387,11 @@
 <index-list/>
 </table>
 <table alias="" name="lams_tool_session_state" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="1372" y="970"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="3" decimal-digits="0" default-value="" mandatory="true" name="tool_session_state_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -3404,27 +3404,27 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_TOOL_SESSION_STATE" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="tool_session_state_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list/>
 <index-list/>
 </table>
 <table alias="" name="lams_user_group" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="936" y="601"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="user_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3437,7 +3437,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="group_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3451,21 +3451,21 @@
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_USER_GROUP" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="user_id"/>
 <primary-key-column name="group_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_user_group_1" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_user" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="user_id" referenced-key-column-name="user_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_user_group_2" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_group" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -3475,11 +3475,11 @@
 <index-list/>
 </table>
 <table alias="" name="lams_lesson_state" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="-67" y="240"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="3" decimal-digits="0" default-value="" mandatory="true" name="lesson_state_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -3492,27 +3492,27 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_LESSON_STATE" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="lesson_state_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list/>
 <index-list/>
 </table>
 <table alias="" name="lams_tool_content" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="906" y="1801"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="tool_content_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3525,7 +3525,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="tool_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3539,13 +3539,13 @@
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_TOOL_CONTENT" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="tool_content_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_tool_content_1" on-delete="" on-update="" referenced-key="PK_LAMS_TOOL" referenced-table="lams_tool" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -3555,11 +3555,11 @@
 <index-list/>
 </table>
 <table alias="" name="lams_activity_learners" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="668" y="544"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="0" mandatory="true" name="user_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3572,7 +3572,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="0" mandatory="true" name="activity_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3586,19 +3586,19 @@
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_ACTIVITY_LEARNERS" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_TABLE_32_1" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_user" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="user_id" referenced-key-column-name="user_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_TABLE_32_2" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_learning_activity" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -3608,11 +3608,11 @@
 <index-list/>
 </table>
 <table alias="" name="lams_lesson_learner" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="278" y="408"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="lesson_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3625,7 +3625,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="user_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3639,19 +3639,19 @@
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_LESSON_LEARNER" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_lesson_learner_1" on-delete="" on-update="" referenced-key="PK_LAMS_LESSON" referenced-table="lams_lesson" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="lesson_id" referenced-key-column-name="lesson_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_lesson_learner_2" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_user" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -3661,11 +3661,11 @@
 <index-list/>
 </table>
 <table alias="" name="lams_tool_session_type" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="1265" y="628"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="3" decimal-digits="0" default-value="" mandatory="true" name="tool_session_type_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -3678,27 +3678,27 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_TOOL_SESSION_TYPE" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="tool_session_type_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list/>
 <index-list/>
 </table>
 <table alias="" name="lams_license" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="203" y="1156"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="license_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3711,28 +3711,28 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="200" decimal-digits="0" default-value="" mandatory="true" name="name" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="code" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="256" decimal-digits="0" default-value="" mandatory="false" name="url" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="0" mandatory="true" name="default_flag" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT(%n)">
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
 <variant type-name-pattern="TINYINT"/>
@@ -3745,27 +3745,27 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="256" decimal-digits="0" default-value="" mandatory="false" name="picture_url" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_LICENSE" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="license_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list/>
 <index-list/>
 </table>
 <table alias="" name="lams_copy_type" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="94" y="1709"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="4" decimal-digits="0" default-value="" mandatory="true" name="copy_type_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT(%n)">
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
 <variant type-name-pattern="TINYINT"/>
@@ -3778,27 +3778,27 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_COPY_TYPE" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="copy_type_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list/>
 <index-list/>
 </table>
 <table alias="" name="lams_activity_category" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="516" y="1731"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="3" decimal-digits="0" default-value="" mandatory="true" name="activity_category_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -3811,15 +3811,15 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_ACTIVITY_CATEGORY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="activity_category_id"/>
 </primary-key>
 <unique-key-list/>
@@ -3834,7 +3834,7 @@
 <table-figure-bounds height="-1" width="-1" x="-89" y="1825"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="workspace_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n) UNSIGNED">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3847,15 +3847,15 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="name" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_CR_WORKSPACE" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="workspace_id"/>
 </primary-key>
 <unique-key-list/>
@@ -3869,7 +3869,7 @@
 <table-figure-bounds height="-1" width="-1" x="-10" y="2015"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="credential_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n) UNSIGNED">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3882,34 +3882,34 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="name" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="password" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_CR_CREDENTIAL" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="credential_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list/>
 <index-list/>
 </table>
 <table alias="" name="lams_cr_workspace_credential" remarks="Maps tools access to workspaces">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="-73" y="1919"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="wc_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n) UNSIGNED">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3922,7 +3922,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="workspace_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n) UNSIGNED">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3935,7 +3935,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="credential_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n) UNSIGNED">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3949,20 +3949,20 @@
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_CR_WORKSPACE_CREDENTIAL" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="wc_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_cr_workspace_credential_1" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PK_LAMS_CR_WORKSPACE" referenced-table="lams_cr_workspace" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="workspace_id" referenced-key-column-name="workspace_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_cr_workspace_credential_2" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PK_LAMS_CR_CREDENTIAL" referenced-table="lams_cr_credential" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -3979,7 +3979,7 @@
 <table-figure-bounds height="-1" width="-1" x="217" y="1992"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="nv_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n) UNSIGNED">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant type-name-pattern="BIGINT"/>
@@ -3992,7 +3992,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="node_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n) UNSIGNED">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4005,7 +4005,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="version_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n) UNSIGNED">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4018,13 +4018,13 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="created_date_time" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="user_id" remarks="User for whom this node was created">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4038,13 +4038,13 @@
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_CR_NODE_VERSION" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="nv_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_cr_node_version_2" on-delete="" on-update="" referenced-key="PK_LAMS_CR_NODE" referenced-table="lams_cr_node" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -4054,11 +4054,11 @@
 <index-list/>
 </table>
 <table alias="" name="lams_cr_node_version_property" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="493" y="1990"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n) UNSIGNED">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4071,7 +4071,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="nv_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n) UNSIGNED">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4084,21 +4084,21 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="name" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="value" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="type" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT">
 <variant type-name-pattern="TINYINT"/>
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
@@ -4112,13 +4112,13 @@
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_CR_NODE_VERSION_PROPERTY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_cr_node_version_property_1" on-delete="" on-update="" referenced-key="PK_LAMS_CR_NODE_VERSION" referenced-table="lams_cr_node_version" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -4132,7 +4132,7 @@
 <table-figure-bounds height="-1" width="-1" x="222" y="1816"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="node_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n) UNSIGNED">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4145,7 +4145,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="workspace_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n) UNSIGNED">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4158,27 +4158,27 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="false" name="path" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="type" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="created_date_time" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="1" mandatory="true" name="next_version_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n) UNSIGNED">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4191,7 +4191,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="parent_nv_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n) UNSIGNED">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4205,13 +4205,13 @@
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_CR_NODE" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="node_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_cr_node_1" on-delete="" on-update="" referenced-key="PK_LAMS_CR_WORKSPACE" referenced-table="lams_cr_workspace" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -4221,11 +4221,11 @@
 <index-list/>
 </table>
 <table alias="" name="lams_workspace_folder_type" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="59" y="586"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="3" decimal-digits="0" default-value="" mandatory="true" name="lams_workspace_folder_type_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -4238,27 +4238,27 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_WORKSPACE_FOLDER_TYPE" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="lams_workspace_folder_type_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list/>
 <index-list/>
 </table>
 <table alias="" name="lams_grouping_support_type" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="1041" y="1566"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="3" decimal-digits="0" default-value="" mandatory="true" name="grouping_support_type_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -4271,27 +4271,27 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="64" decimal-digits="0" default-value="" mandatory="true" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_GROUPING_SUPPORT_TYPE" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="grouping_support_type_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list/>
 <index-list/>
 </table>
 <table alias="" name="lams_log_event" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="1540" y="1764"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="log_event_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4304,7 +4304,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="5" decimal-digits="0" default-value="" mandatory="true" name="log_event_type_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -4317,7 +4317,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="user_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4330,13 +4330,13 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="timestamp" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="ref_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4349,21 +4349,21 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="false" name="message" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_LOG_EVENT" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="log_event_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_event_log_1" on-delete="" on-update="" referenced-key="PK_LAMS_LOG_EVENT_TYPE" referenced-table="lams_log_event_type" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -4373,11 +4373,11 @@
 <index-list/>
 </table>
 <table alias="" name="lams_log_event_type" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="1533" y="1612"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="5" decimal-digits="0" default-value="" mandatory="true" name="log_event_type_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -4390,27 +4390,27 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_LOG_EVENT_TYPE" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="log_event_type_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list/>
 <index-list/>
 </table>
 <table alias="lams_workspace_folder_content" name="lams_workspace_folder_content" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="280" y="867"/>
 <column-list>
 <column alias="folder_content_id" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="folder_content_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4423,7 +4423,7 @@
 </data-type>
 </column>
 <column alias="content_type_id" auto-increment="false" column-size="3" decimal-digits="0" default-value="" mandatory="true" name="content_type_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -4436,33 +4436,33 @@
 </data-type>
 </column>
 <column alias="name" auto-increment="false" column-size="64" decimal-digits="0" default-value="" mandatory="true" name="name" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="description" auto-increment="false" column-size="64" decimal-digits="0" default-value="" mandatory="true" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="create_date_time" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="create_date_time" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="last_modified_date" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="last_modified_date" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 <column alias="workspace_folder_id" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="workspace_folder_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4475,7 +4475,7 @@
 </data-type>
 </column>
 <column alias="uuid" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="uuid" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4488,7 +4488,7 @@
 </data-type>
 </column>
 <column alias="version_id" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="version_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4501,41 +4501,41 @@
 </data-type>
 </column>
 <column alias="mime_type" auto-increment="false" column-size="10" decimal-digits="0" default-value="" mandatory="true" name="mime_type" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_WORKSPACE_FOLDER_CONTENT" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="folder_content_id"/>
 </primary-key>
 <unique-key-list>
 <unique-key alias="" name="unique_content_name" remarks="">
-<unique-key-description></unique-key-description>
+<unique-key-description/>
 <unique-key-column name="name"/>
 <unique-key-column name="workspace_folder_id"/>
 <unique-key-column name="mime_type"/>
 </unique-key>
 <unique-key alias="" name="unique_node_version" remarks="">
-<unique-key-description></unique-key-description>
+<unique-key-description/>
 <unique-key-column name="workspace_folder_id"/>
 <unique-key-column name="uuid"/>
 <unique-key-column name="version_id"/>
 </unique-key>
 </unique-key-list>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_workspace_folder_content_1" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_workspace_folder" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="workspace_folder_id" referenced-key-column-name="workspace_folder_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_workspace_folder_content_2" on-delete="" on-update="" referenced-key="PK_LAMS_WKSPC_FLD_CONTENT_TYPE" referenced-table="lams_wkspc_fld_content_type" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -4545,11 +4545,11 @@
 <index-list/>
 </table>
 <table alias="" name="lams_wkspc_fld_content_type" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="165" y="1069"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="3" decimal-digits="0" default-value="" mandatory="true" name="content_type_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -4562,27 +4562,27 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="64" decimal-digits="0" default-value="" mandatory="true" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_WKSPC_FLD_CONTENT_TYPE" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="content_type_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list/>
 <index-list/>
 </table>
 <table alias="" name="lams_css_theme_ve" remarks="Stores both the Flash theme and visual element">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="1588" y="18"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="theme_ve_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4595,21 +4595,21 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="100" decimal-digits="0" default-value="" mandatory="true" name="name" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="100" decimal-digits="0" default-value="" mandatory="false" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="parent_id" remarks="Parent theme">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4622,7 +4622,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="0" mandatory="true" name="theme_flag" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT(%n)">
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
 <variant type-name-pattern="TINYINT"/>
@@ -4634,15 +4634,22 @@
 <variant type-name-pattern="TINYINT ZEROFILL"/>
 </data-type>
 </column>
+<column alias="" auto-increment="false" column-size="100" decimal-digits="0" default-value="" mandatory="false" name="image_directory" remarks="">
+<column-description/>
+<data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
+<variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
+<variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
+</data-type>
+</column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_CSS_THEME_VE" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="theme_ve_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_css_theme_ve_2" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PK_LAMS_CSS_THEME_VE" referenced-table="lams_css_theme_ve" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -4652,11 +4659,11 @@
 <index-list/>
 </table>
 <table alias="" name="lams_css_property" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="1347" y="154"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="property_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4669,7 +4676,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="style_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4682,28 +4689,28 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="name" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="100" decimal-digits="0" default-value="" mandatory="true" name="value" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="style_subset" remarks="e.g. &quot;_tf&quot;">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="type" remarks="String, Boolean, etc">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-6" name="TINYINT" selected-variant-pattern="TINYINT">
 <variant type-name-pattern="TINYINT"/>
 <variant precision-max="1" precision-min="0" precision-variable="%n" type-name-pattern="TINYINT(%n)"/>
@@ -4717,13 +4724,13 @@
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_CSS_PROPERTY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="property_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_css_property_1" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PK_LAMS_CSS_STYLE" referenced-table="lams_css_style" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -4739,7 +4746,7 @@
 <table-figure-bounds height="-1" width="-1" x="1351" y="36"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="style_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4752,7 +4759,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="theme_ve_id" remarks="Theme or visual element that has this style">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4766,13 +4773,13 @@
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_CSS_STYLE" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="style_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_css_style_1" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PK_LAMS_CSS_THEME_VE" referenced-table="lams_css_theme_ve" referenced-table-schema="DEFAULT_SCHEMA" remarks="1-1 relationship between theme or visual element and style. Link column is in style class to make it easier to do cascades in hibernate" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -4786,7 +4793,7 @@
 <table-figure-bounds height="-1" width="-1" x="369" y="1190"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="system_tool_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4812,86 +4819,86 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="tool_display_name" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="learner_url" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="learner_preview_url" remarks="Learner screen for preview a learning design. ">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="learner_progress_url" remarks="Teacher's view of a learner's screen.">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="export_pfolio_learner_url" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="export_pfolio_class_url" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="monitor_url" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="contribute_url" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="help_url" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-1" literal-prefix="'" literal-suffix="'" name="TEXT" selected-variant-pattern="TEXT">
 <variant type-name-pattern="TEXT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="create_date_time" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="93" literal-prefix="'" literal-suffix="'" name="DATETIME" selected-variant-pattern="DATETIME">
 <variant type-name-pattern="DATETIME"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_SYSTEM_TOOL" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="system_tool_id"/>
 </primary-key>
 <unique-key-list>
 <unique-key alias="" name="UQ_systool_activity_type" remarks="">
-<unique-key-description></unique-key-description>
+<unique-key-description/>
 <unique-key-column name="learning_activity_type_id"/>
 </unique-key>
 </unique-key-list>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_system_tool" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="lams_learning_activity_type" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -4905,7 +4912,7 @@
 <table-figure-bounds height="-1" width="-1" x="-53" y="16"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="privilege_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4918,29 +4925,29 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="10" decimal-digits="0" default-value="" mandatory="true" name="code" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="false" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_PRIVILEGE" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="privilege_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list/>
 <index-list>
 <index alias="" name="IX_lams_privilege_code" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="code" sort="ASC"/>
 </index>
 </index-list>
@@ -4950,7 +4957,7 @@
 <table-figure-bounds height="-1" width="-1" x="243" y="20"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="rp_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4963,7 +4970,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="6" decimal-digits="0" default-value="" mandatory="true" name="role_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -4976,7 +4983,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="privilege_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -4990,20 +4997,20 @@
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_ROLE_PRIVILEGE" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="rp_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_role_privilege_1" on-delete="" on-update="" referenced-key="PK_LAMS_PRIVILEGE" referenced-table="lams_privilege" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="privilege_id" referenced-key-column-name="privilege_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_role_privilege_2" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_role" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -5013,11 +5020,11 @@
 <index-list/>
 </table>
 <table alias="" name="lams_organisation_state" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="55" width="207" x="689" y="284"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="3" decimal-digits="0" default-value="" mandatory="true" name="organisation_state_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
 <variant type-name-pattern="INT"/>
@@ -5030,27 +5037,27 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="false" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_ORGANISATION_STATE" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="organisation_state_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list/>
 <index-list/>
 </table>
 <table alias="" name="lams_wkspc_wkspc_folder" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="390" y="566"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -5063,7 +5070,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="workspace_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -5076,7 +5083,7 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="workspace_folder_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -5090,20 +5097,20 @@
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_WKSPC_WKSPC_FOLDER" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK_lams_ww_folder_2" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_workspace_folder" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
 <foreign-key-column column-name="workspace_folder_id" referenced-key-column-name="workspace_folder_id"/>
 </foreign-key>
 <foreign-key alias="" name="FK_lams_ww_folder_1" on-delete="" on-update="" referenced-key="PRIMARY" referenced-table="lams_workspace" referenced-table-schema="DEFAULT_SCHEMA" remarks="" source-entity-role="" source-multiplicity="0..*" source-relationship-type="" target-entity-role="" target-multiplicity="1" target-relationship-type="">
-<foreign-key-description></foreign-key-description>
+<foreign-key-description/>
 <foreign-key-figure>
 <fk-fig-bendpoint-list/>
 </foreign-key-figure>
@@ -5113,11 +5120,11 @@
 <index-list/>
 </table>
 <table alias="" name="lams_supported_locale" remarks="Describes the valid language/country combinations. Can't make language_iso_code and country_iso_code a unique key as MySQL considers that &quot;NULL=NULL&quot; is not true.">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="1152" y="228"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="0" decimal-digits="0" default-value="" mandatory="true" name="locale_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INTEGER" selected-variant-pattern="INTEGER">
 <variant type-name-pattern="INTEGER"/>
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INTEGER(%n)"/>
@@ -5130,48 +5137,48 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="2" decimal-digits="0" default-value="" mandatory="true" name="language_iso_code" remarks="ISO 639-1 Language Code (2 letter version) Java only supports 2 letter properly, not the 3 letter codes.">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="2" decimal-digits="0" default-value="" mandatory="false" name="country_iso_code" remarks="ISO 3166 Country Code">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="true" name="description" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="3" decimal-digits="0" default-value="" mandatory="true" name="direction" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_SUPPORTED_LOCALE" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="locale_id"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list/>
 <index-list/>
 </table>
 <table alias="" name="lams_tool_import_support" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="505" y="1848"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
 <variant type-name-pattern="BIGINT"/>
@@ -5184,22 +5191,22 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="15" decimal-digits="0" default-value="" mandatory="true" name="installed_tool_signature" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="50" decimal-digits="0" default-value="" mandatory="true" name="supports_tool_signature" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_TOOL_IMPORT_SUPPORT" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="id"/>
 </primary-key>
 <unique-key-list/>
@@ -5211,22 +5218,22 @@
 <table-figure-bounds height="90" width="224" x="1541" y="1956"/>
 <column-list>
 <column alias="" auto-increment="false" column-size="30" decimal-digits="0" default-value="" mandatory="true" name="config_key" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="false" name="config_value" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="12" literal-prefix="'" literal-suffix="'" name="VARCHAR" selected-variant-pattern="VARCHAR(%n)">
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n)"/>
 <variant precision-max="255" precision-min="1" precision-variable="%n" type-name-pattern="VARCHAR(%n) BINARY"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PK_LAMS_CONFIGURATION" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="config_key"/>
 </primary-key>
 <unique-key-list/>