Index: temp_moodle_dev/lamstwo/db/install.xml
===================================================================
diff -u -r04e8df72c69f3eb423c4b642b6bd4e0e335ba2af -r62b759b2231dbe0da31519bdb7d8f0855f53d2c0
--- temp_moodle_dev/lamstwo/db/install.xml	(.../install.xml)	(revision 04e8df72c69f3eb423c4b642b6bd4e0e335ba2af)
+++ temp_moodle_dev/lamstwo/db/install.xml	(.../install.xml)	(revision 62b759b2231dbe0da31519bdb7d8f0855f53d2c0)
@@ -24,8 +24,8 @@
         <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="lamstwo" NEXT="intro"/>
         <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="groupid"/>
         <FIELD NAME="groupid" TYPE="int" LENGTH="20" NOTNULL="false" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="intro" NEXT="sequence_id"/>
-        <FIELD NAME="sequence_id" TYPE="int" LENGTH="20" NOTNULL="false" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="groupid" NEXT="lesson_id"/>
-        <FIELD NAME="lesson_id" TYPE="int" LENGTH="20" NOTNULL="false" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="sequence_id" NEXT="timemodified"/>
+        <FIELD NAME="sequence_id" TYPE="int" LENGTH="20" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="groupid" NEXT="lesson_id"/>
+        <FIELD NAME="lesson_id" TYPE="int" LENGTH="20" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="sequence_id" NEXT="timemodified"/>
         <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="lesson_id" />
       </FIELDS>
       <KEYS>
@@ -40,7 +40,7 @@
         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="lamstwolesson"/>
         <FIELD NAME="lamstwolesson" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="user"/>
         <FIELD NAME="user" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="lamstwolesson" NEXT="completed"/>
-        <FIELD NAME="completed" TYPE="int" LENGTH="1" NOTNULL="false" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="user"/>
+        <FIELD NAME="completed" TYPE="int" LENGTH="1" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="user"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary_lamstwo_grade" TYPE="primary" FIELDS="id" COMMENT="Primary key for lamstwo_grade"/>