Index: lams_common/src/java/org/lamsfoundation/lams/dbupdates/patch02040006.sql
===================================================================
diff -u -r638958bf80f0a705e40e63e5b1cc6724a9256a8c -r2f07334e00fc13d3c84ebd3c8fdd9e41e7b8944d
--- lams_common/src/java/org/lamsfoundation/lams/dbupdates/patch02040006.sql	(.../patch02040006.sql)	(revision 638958bf80f0a705e40e63e5b1cc6724a9256a8c)
+++ lams_common/src/java/org/lamsfoundation/lams/dbupdates/patch02040006.sql	(.../patch02040006.sql)	(revision 2f07334e00fc13d3c84ebd3c8fdd9e41e7b8944d)
@@ -25,7 +25,7 @@
      , CONSTRAINT FK_lams_event_log_2 FOREIGN KEY (user_id)
                   REFERENCES lams_user (user_id)           
      , CONSTRAINT FK_lams_event_log_3 FOREIGN KEY (learning_design_id)
-                  REFERENCES lams_learning_design (learning_design_id)
+                  REFERENCES lams_learning_design (learning_design_id) ON DELETE CASCADE
      , CONSTRAINT FK_lams_event_log_4 FOREIGN KEY (lesson_id)
                   REFERENCES lams_lesson (lesson_id)
      , CONSTRAINT FK_lams_event_log_5 FOREIGN KEY (activity_id)