Is there a way to build a similar SQL that would work on mySql (I use this on Oracle): delete from TABLE_NAME where COL1 not in ( select distinct COL1 from TABLE_NAME where COL2 ='SOMETHING') --------- Regards, Rod~ --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php