Index: lams_common/db/sql/drop_lams_11_tables.sql
===================================================================
diff -u -r0eec16fd28afef262a27b5c704b4b32fb7c5eb93 -r96689f3e959264cd1d9be578f82b3557a36d39b2
--- lams_common/db/sql/drop_lams_11_tables.sql	(.../drop_lams_11_tables.sql)	(revision 0eec16fd28afef262a27b5c704b4b32fb7c5eb93)
+++ lams_common/db/sql/drop_lams_11_tables.sql	(.../drop_lams_11_tables.sql)	(revision 96689f3e959264cd1d9be578f82b3557a36d39b2)
@@ -1,35 +1,35 @@
-DROP TABLE lams_learning_transition;
-DROP TABLE lams_lesson_learner;
-DROP TABLE lams_activity_learners;
-DROP TABLE lams_tool_content;
-DROP TABLE lams_user_group;
-DROP TABLE lams_progress_attempted;
-DROP TABLE lams_progress_completed;
-DROP TABLE lams_tool_session;
-DROP TABLE lams_user_organisation_role;
-DROP TABLE lams_learner_progress;
-DROP TABLE lams_learning_activity;
-DROP TABLE lams_lesson;
-DROP TABLE lams_user_organisation;
-DROP TABLE lams_group;
-DROP TABLE lams_learning_design;
-DROP TABLE lams_user;
-DROP TABLE lams_organisation;
-DROP TABLE lams_grouping;
-DROP TABLE lams_workspace;
-DROP TABLE lams_workspace_folder;
-DROP TABLE lams_authentication_method;
-DROP TABLE lams_authentication_method_type;
-DROP TABLE lams_tool_session_type;
-DROP TABLE lams_lesson_state;
-DROP TABLE lams_tool_session_state;
-DROP TABLE lams_tool;
-DROP TABLE lams_role;
-DROP TABLE lams_organisation_type;
-DROP TABLE lams_learning_library;
-DROP TABLE lams_learning_activity_type;
-DROP TABLE lams_grouping_type;
-DROP TABLE lams_gate_activity_level;
+DROP TABLE IF EXISTS lams_learning_transition;
+DROP TABLE IF EXISTS lams_lesson_learner;
+DROP TABLE IF EXISTS lams_activity_learners;
+DROP TABLE IF EXISTS lams_tool_content;
+DROP TABLE IF EXISTS lams_user_group;
+DROP TABLE IF EXISTS lams_progress_attempted;
+DROP TABLE IF EXISTS lams_progress_completed;
+DROP TABLE IF EXISTS lams_tool_session;
+DROP TABLE IF EXISTS lams_user_organisation_role;
+DROP TABLE IF EXISTS lams_learner_progress;
+DROP TABLE IF EXISTS lams_learning_activity;
+DROP TABLE IF EXISTS lams_lesson;
+DROP TABLE IF EXISTS lams_user_organisation;
+DROP TABLE IF EXISTS lams_group;
+DROP TABLE IF EXISTS lams_learning_design;
+DROP TABLE IF EXISTS lams_user;
+DROP TABLE IF EXISTS lams_organisation;
+DROP TABLE IF EXISTS lams_grouping;
+DROP TABLE IF EXISTS lams_workspace;
+DROP TABLE IF EXISTS lams_workspace_folder;
+DROP TABLE IF EXISTS lams_authentication_method;
+DROP TABLE IF EXISTS lams_authentication_method_type;
+DROP TABLE IF EXISTS lams_tool_session_type;
+DROP TABLE IF EXISTS lams_lesson_state;
+DROP TABLE IF EXISTS lams_tool_session_state;
+DROP TABLE IF EXISTS lams_tool;
+DROP TABLE IF EXISTS lams_role;
+DROP TABLE IF EXISTS lams_organisation_type;
+DROP TABLE IF EXISTS lams_learning_library;
+DROP TABLE IF EXISTS lams_learning_activity_type;
+DROP TABLE IF EXISTS lams_grouping_type;
+DROP TABLE IF EXISTS lams_gate_activity_level;