Index: lams_common/src/java/org/lamsfoundation/lams/dbupdates/patch20180218.sql
===================================================================
diff -u -r60bb00f4c9a5e7d210df42c766cfc31b6b99f2bb -r653cff8d28f2026dd9db358929a3023b3a029147
--- lams_common/src/java/org/lamsfoundation/lams/dbupdates/patch20180218.sql	(.../patch20180218.sql)	(revision 60bb00f4c9a5e7d210df42c766cfc31b6b99f2bb)
+++ lams_common/src/java/org/lamsfoundation/lams/dbupdates/patch20180218.sql	(.../patch20180218.sql)	(revision 653cff8d28f2026dd9db358929a3023b3a029147)
@@ -9,11 +9,11 @@
 
 ALTER TABLE lams_learning_activity DROP FOREIGN KEY FK_lams_learning_activity_15;
 ALTER TABLE lams_learning_activity ADD CONSTRAINT FK_lams_learning_activity_15 FOREIGN KEY (transition_to_id)
-REFERENCES lams_learning_transition (transition_id) ON DELETE SET NULL ON UPDATE SET NULL;
+REFERENCES lams_learning_transition (transition_id) ON DELETE SET NULL ON UPDATE CASCADE;
 
 ALTER TABLE lams_learning_activity DROP FOREIGN KEY FK_lams_learning_activity_16;
 ALTER TABLE lams_learning_activity ADD CONSTRAINT FK_lams_learning_activity_16 FOREIGN KEY (transition_from_id)
-REFERENCES lams_learning_transition (transition_id) ON DELETE SET NULL ON UPDATE SET NULL;
+REFERENCES lams_learning_transition (transition_id) ON DELETE SET NULL ON UPDATE CASCADE;
 
 ALTER TABLE lams_learning_transition DROP FOREIGN KEY lddefn_transition_ibfk_1;
 ALTER TABLE lams_learning_transition ADD CONSTRAINT lddefn_transition_ibfk_1 FOREIGN KEY (learning_design_id)