Index: lams_tool_survey/db/model/survey.clay
===================================================================
diff -u -r5fa6d8af9d03be39b6f5f4c33b75a853af5f6064 -r3ed8ec9b631a9c24c862da5c7067e4bcc5c33458
--- lams_tool_survey/db/model/survey.clay	(.../survey.clay)	(revision 5fa6d8af9d03be39b6f5f4c33b75a853af5f6064)
+++ lams_tool_survey/db/model/survey.clay	(.../survey.clay)	(revision 3ed8ec9b631a9c24c862da5c7067e4bcc5c33458)
@@ -1,26 +1,26 @@
-<?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="imscp" 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="LAMS" remarks="">
-<schema-description></schema-description>
+<schema-description/>
 <domain-list/>
 <table-list/>
 </schema>
 <schema alias="" name="DEFAULT_SCHEMA" remarks="">
-<schema-description></schema-description>
+<schema-description/>
 <domain-list/>
 <table-list>
 <table alias="" name="tl_lasurv11_answer" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="706" y="206"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="uid" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
-<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -30,10 +30,10 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="survey_item_uid" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
-<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -43,10 +43,10 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="user_uid" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
-<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -56,10 +56,10 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="session_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
-<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -69,41 +69,40 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="false" name="answer_choices" 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="19" decimal-digits="0" default-value="" mandatory="false" name="udpate_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="255" decimal-digits="0" default-value="" mandatory="false" name="answer_text" remarks="">
-<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"/>
+<column alias="" auto-increment="false" column-size="0" decimal-digits="0" default-value="" mandatory="false" name="answer_text" remarks="">
+<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-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="uid"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK6DAAFE3BAE4CB69" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="tl_lasurv11_question" 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="survey_item_uid" referenced-key-column-name="uid"/>
 </foreign-key>
 <foreign-key alias="" name="FK6DAAFE3BB1423DC1" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="tl_lasurv11_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>
@@ -112,28 +111,28 @@
 </foreign-key-list>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="uid" sort="ASC"/>
 </index>
 <index alias="" name="FK6DAAFE3BB1423DC1" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="user_uid" sort="ASC"/>
 </index>
 <index alias="" name="FK6DAAFE3BAE4CB69" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="survey_item_uid" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="tl_lasurv11_attachment" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="54" y="436"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="uid" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
-<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -143,10 +142,10 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="file_version_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
-<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -156,24 +155,24 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="false" name="file_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="255" decimal-digits="0" default-value="" mandatory="false" name="file_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="file_uuid" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
-<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -183,16 +182,16 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="19" decimal-digits="0" default-value="" mandatory="false" 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="false" name="survey_uid" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
-<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -203,13 +202,13 @@
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="uid"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FKD92A9120D14146E5" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="tl_lasurv11_survey" 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>
@@ -218,24 +217,24 @@
 </foreign-key-list>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="uid" sort="ASC"/>
 </index>
 <index alias="" name="FKD92A9120D14146E5" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="survey_uid" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="tl_lasurv11_option" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="670" y="101"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="uid" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
-<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -245,17 +244,17 @@
 </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 alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="" mandatory="false" name="sequence_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
-<variant type-name-pattern="INT"/>
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
+<variant type-name-pattern="INT"/>
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n) UNSIGNED"/>
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n) ZEROFILL"/>
@@ -265,10 +264,10 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="option_uid" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
-<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -279,13 +278,13 @@
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="uid"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK85AB46F282152886" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="tl_lasurv11_question" 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>
@@ -294,24 +293,24 @@
 </foreign-key-list>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="uid" sort="ASC"/>
 </index>
 <index alias="" name="FK85AB46F282152886" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="option_uid" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="tl_lasurv11_question" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="394" y="114"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="uid" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
-<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -321,17 +320,17 @@
 </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 alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="create_by" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
-<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -341,16 +340,16 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="19" decimal-digits="0" default-value="" mandatory="false" 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="6" decimal-digits="0" default-value="" mandatory="false" name="question_type" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="5" name="SMALLINT" selected-variant-pattern="SMALLINT(%n)">
-<variant type-name-pattern="SMALLINT"/>
 <variant precision-max="5" precision-min="0" precision-variable="%n" type-name-pattern="SMALLINT(%n)"/>
+<variant type-name-pattern="SMALLINT"/>
 <variant precision-max="5" precision-min="0" precision-variable="%n" type-name-pattern="SMALLINT(%n) UNSIGNED"/>
 <variant precision-max="5" precision-min="0" precision-variable="%n" type-name-pattern="SMALLINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="5" precision-min="0" precision-variable="%n" type-name-pattern="SMALLINT(%n) ZEROFILL"/>
@@ -360,22 +359,22 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="" mandatory="false" name="append_text" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-7" name="BIT" selected-variant-pattern="BIT">
 <variant type-name-pattern="BIT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="" mandatory="false" name="compulsory" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-7" name="BIT" selected-variant-pattern="BIT">
 <variant type-name-pattern="BIT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="11" decimal-digits="0" default-value="" mandatory="false" name="max_answers" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="4" name="INT" selected-variant-pattern="INT(%n)">
-<variant type-name-pattern="INT"/>
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n)"/>
+<variant type-name-pattern="INT"/>
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n) UNSIGNED"/>
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="10" precision-min="0" precision-variable="%n" type-name-pattern="INT(%n) ZEROFILL"/>
@@ -385,10 +384,10 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="survey_uid" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
-<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -399,20 +398,20 @@
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="uid"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK872D4F23E4C99A5F" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="tl_lasurv11_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="create_by" referenced-key-column-name="uid"/>
 </foreign-key>
 <foreign-key alias="" name="FK872D4F23D14146E5" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="tl_lasurv11_survey" 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>
@@ -421,28 +420,28 @@
 </foreign-key-list>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="uid" sort="ASC"/>
 </index>
 <index alias="" name="FK872D4F23D14146E5" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="survey_uid" sort="ASC"/>
 </index>
 <index alias="" name="FK872D4F23E4C99A5F" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="create_by" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="tl_lasurv11_session" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="877" y="4"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="uid" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
-<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -452,22 +451,22 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="19" decimal-digits="0" default-value="" mandatory="false" name="session_end_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="19" decimal-digits="0" default-value="" mandatory="false" name="session_start_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="false" name="survey_uid" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
-<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -477,10 +476,10 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="session_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
-<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -490,21 +489,21 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="250" decimal-digits="0" default-value="" mandatory="false" name="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="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="uid"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FKF08793B9D14146E5" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="tl_lasurv11_survey" 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>
@@ -513,24 +512,24 @@
 </foreign-key-list>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="uid" sort="ASC"/>
 </index>
 <index alias="" name="FKF08793B9D14146E5" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="survey_uid" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="tl_lasurv11_survey" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="35" y="-11"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="uid" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
-<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -540,22 +539,22 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="19" decimal-digits="0" default-value="" mandatory="false" 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="19" decimal-digits="0" default-value="" mandatory="false" name="update_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="false" name="create_by" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
-<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -565,59 +564,59 @@
 </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="" mandatory="false" name="run_offline" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-7" name="BIT" selected-variant-pattern="BIT">
 <variant type-name-pattern="BIT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="" mandatory="false" name="lock_on_finished" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-7" name="BIT" selected-variant-pattern="BIT">
 <variant type-name-pattern="BIT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="65535" decimal-digits="0" default-value="" mandatory="false" name="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="65535" 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="65535" 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="1" decimal-digits="0" default-value="" mandatory="false" name="content_in_use" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-7" name="BIT" selected-variant-pattern="BIT">
 <variant type-name-pattern="BIT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="" mandatory="false" name="define_later" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-7" name="BIT" selected-variant-pattern="BIT">
 <variant type-name-pattern="BIT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="content_id" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
-<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -627,33 +626,33 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" decimal-digits="0" default-value="" mandatory="false" name="reflect_instructions" 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="" mandatory="false" name="reflect_on_activity" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-7" name="BIT" selected-variant-pattern="BIT">
 <variant type-name-pattern="BIT"/>
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="" mandatory="false" name="show_questions_on_one_page" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-7" name="BIT" selected-variant-pattern="BIT">
 <variant type-name-pattern="BIT"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="uid"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK8CC465D7E4C99A5F" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="tl_lasurv11_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>
@@ -662,28 +661,28 @@
 </foreign-key-list>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="uid" sort="ASC"/>
 </index>
 <index alias="" name="content_id" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="content_id" sort="ASC"/>
 </index>
 <index alias="" name="FK8CC465D7E4C99A5F" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="create_by" sort="ASC"/>
 </index>
 </index-list>
 </table>
 <table alias="" name="tl_lasurv11_user" remarks="">
-<table-description></table-description>
+<table-description/>
 <table-figure-bounds height="-1" width="-1" x="421" y="579"/>
 <column-list>
 <column alias="" auto-increment="true" column-size="20" decimal-digits="0" default-value="" mandatory="true" name="uid" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
-<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -693,10 +692,10 @@
 </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 type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -706,31 +705,31 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="255" 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="255" 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="255" decimal-digits="0" default-value="" mandatory="false" name="login_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="session_uid" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
-<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -740,10 +739,10 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="20" decimal-digits="0" default-value="" mandatory="false" name="survey_uid" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-5" name="BIGINT" selected-variant-pattern="BIGINT(%n)">
-<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n)"/>
+<variant type-name-pattern="BIGINT"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) UNSIGNED ZEROFILL"/>
 <variant precision-max="19" precision-min="0" precision-variable="%n" type-name-pattern="BIGINT(%n) ZEROFILL"/>
@@ -753,27 +752,27 @@
 </data-type>
 </column>
 <column alias="" auto-increment="false" column-size="1" decimal-digits="0" default-value="" mandatory="false" name="session_finished" remarks="">
-<column-description></column-description>
+<column-description/>
 <data-type jdbc-type="-7" name="BIT" selected-variant-pattern="BIT">
 <variant type-name-pattern="BIT"/>
 </data-type>
 </column>
 </column-list>
 <primary-key alias="" name="PRIMARY" remarks="">
-<primary-key-description></primary-key-description>
+<primary-key-description/>
 <primary-key-column name="uid"/>
 </primary-key>
 <unique-key-list/>
 <foreign-key-list>
 <foreign-key alias="" name="FK633F2588D14146E5" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="tl_lasurv11_survey" 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="survey_uid" referenced-key-column-name="uid"/>
 </foreign-key>
 <foreign-key alias="" name="FK633F25884F803F63" on-delete="NO ACTION" on-update="NO ACTION" referenced-key="PRIMARY" referenced-table="tl_lasurv11_session" 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>
@@ -782,15 +781,15 @@
 </foreign-key-list>
 <index-list>
 <index alias="" name="PRIMARY" remarks="" unique="true">
-<index-description></index-description>
+<index-description/>
 <index-column name="uid" sort="ASC"/>
 </index>
 <index alias="" name="FK633F25884F803F63" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="session_uid" sort="ASC"/>
 </index>
 <index alias="" name="FK633F2588D14146E5" remarks="" unique="false">
-<index-description></index-description>
+<index-description/>
 <index-column name="survey_uid" sort="ASC"/>
 </index>
 </index-list>