Hello My database is restored from a dump file every day. How I know that this database is up to date (as it has no timestamp in any table). If I create a file, I can know when I created it by seeing its property. How I can do the same thing with a back up database. Ta. ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match