Index: lams_common/db/model/lams_11.clay
===================================================================
diff -u -rfa1a03cd89958eeba49f78a13b9638499bbd385f -rd3271ca432c7595d7018a497bf82ebc8b91287d7
--- lams_common/db/model/lams_11.clay	(.../lams_11.clay)	(revision fa1a03cd89958eeba49f78a13b9638499bbd385f)
+++ lams_common/db/model/lams_11.clay	(.../lams_11.clay)	(revision d3271ca432c7595d7018a497bf82ebc8b91287d7)
@@ -37,7 +37,7 @@
 <variant type-name-pattern="INT ZEROFILL"/>
 </data-type>
 </column>
-<column name="parameters_file_name" alias="" remarks="" mandatory="true" column-size="255" decimal-digits="0" default-value="" auto-increment="false">
+<column name="authentication_method_name" alias="" remarks="" mandatory="true" column-size="255" decimal-digits="0" default-value="" auto-increment="false">
 <column-description/>
 <data-type name="VARCHAR" jdbc-type="12" selected-variant-pattern="VARCHAR(%n)" literal-prefix="'" literal-suffix="'">
 <variant type-name-pattern="VARCHAR(%n)" precision-variable="%n" precision-min="1" precision-max="255"/>
@@ -49,7 +49,12 @@
 <primary-key-description/>
 <primary-key-column name="authentication_method_id"/>
 </primary-key>
-<unique-key-list/>
+<unique-key-list>
+<unique-key name="UQ_lams_authentication_method_1" alias="" remarks="">
+<unique-key-description/>
+<unique-key-column name="authentication_method_name"/>
+</unique-key>
+</unique-key-list>
 <foreign-key-list>
 <foreign-key name="FK_lams_authorization_method_1" alias="" remarks="" referenced-table-schema="DEFAULT_SCHEMA" referenced-table="lams_authentication_method_type" referenced-key="PRIMARY" on-update="NO ACTION" on-delete="NO ACTION" source-multiplicity="0..*" target-multiplicity="1" source-entity-role="" target-entity-role="" source-relationship-type="" target-relationship-type="">
 <foreign-key-description/>
@@ -2020,8 +2025,8 @@
 <column name="lesson_state_id" alias="" remarks="" mandatory="true" column-size="3" decimal-digits="0" default-value="" auto-increment="false">
 <column-description/>
 <data-type name="INT" jdbc-type="4" selected-variant-pattern="INT(%n)">
-<variant type-name-pattern="INT"/>
 <variant type-name-pattern="INT(%n)" precision-variable="%n" precision-min="0" precision-max="10"/>
+<variant type-name-pattern="INT"/>
 <variant type-name-pattern="INT(%n) UNSIGNED" precision-variable="%n" precision-min="0" precision-max="10"/>
 <variant type-name-pattern="INT(%n) UNSIGNED ZEROFILL" precision-variable="%n" precision-min="0" precision-max="10"/>
 <variant type-name-pattern="INT(%n) ZEROFILL" precision-variable="%n" precision-min="0" precision-max="10"/>
@@ -2755,8 +2760,8 @@
 <column name="lesson_state_id" alias="" remarks="" mandatory="true" column-size="3" decimal-digits="0" default-value="" auto-increment="false">
 <column-description/>
 <data-type name="INT" jdbc-type="4" selected-variant-pattern="INT(%n)">
-<variant type-name-pattern="INT"/>
 <variant type-name-pattern="INT(%n)" precision-variable="%n" precision-min="0" precision-max="10"/>
+<variant type-name-pattern="INT"/>
 <variant type-name-pattern="INT(%n) UNSIGNED" precision-variable="%n" precision-min="0" precision-max="10"/>
 <variant type-name-pattern="INT(%n) UNSIGNED ZEROFILL" precision-variable="%n" precision-min="0" precision-max="10"/>
 <variant type-name-pattern="INT(%n) ZEROFILL" precision-variable="%n" precision-min="0" precision-max="10"/>