Index: lams_common/src/java/org/lamsfoundation/lams/dbupdates/patch2040060.sql
===================================================================
diff -u
--- lams_common/src/java/org/lamsfoundation/lams/dbupdates/patch2040060.sql	(revision 0)
+++ lams_common/src/java/org/lamsfoundation/lams/dbupdates/patch2040060.sql	(revision 794e3de78e12edfbd6671ccea0102bc754abdea3)
@@ -0,0 +1,9 @@
+-- Turn off autocommit, so nothing is committed if there is an error
+SET AUTOCOMMIT = 0;
+
+-- LDEV-3661 Remove obsolete columns
+ALTER TABLE lams_notification_subscription DROP COLUMN periodicity,
+										   DROP COLUMN last_operation_time;
+
+COMMIT;
+SET AUTOCOMMIT = 1;
\ No newline at end of file