> I have two tables whose structures are below. > > - Table1 - > table1id int not null auto_increment > data varchar(30) > > - Table2 - > table2id int not null auto_increment > table1id int not null > data varchar(30) > > > These two tables are connected to each other with the > "table1id" column. I need to delete rows in table1 which have > no corresponding "table1id" values in table2 and also i need > to delete rows in table2 which have no corresponding > "table1id" values in table1. Any comments?
Can you try a multi table DELETE? I haven't done it but I would be a shot at something like (adapted from MySQL Manual) DELETE t1 FROM t1,t2 WHERE t1.id=t2.id AND t2.id IS NULL Adolfo --------------------------------------------------------------------- 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
