We use this system for versioning: http://pyrseas.wordpress.com/2011/02/18/sql-database-version-control-%E2%80%93-depesz-versioning/ Works like a champ. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general