SELECT * FROM table1 t1 LEFT OUTER JOIN table2 t2 ON t1.field1=t2.field2 WHERE t2.field2 IS NULL
> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]] On Behalf Of Murad Nayal > Sent: Monday, December 09, 2002 11:38 AM > To: MySQL List > Subject: help on NOT EXISTS SQL query > > > > > Hello all, > > I need to run query like (in mysql < ver.4): > > select * from table1 as t1 where not exists (select NULL from > table2 as t2 where t1.field1 = t2.field1) > > I know you can emulate an 'exists' subquery with a join. but > I just can't think of a way to emulate a 'not exists' without > a subquery. probably due to my limited sql experience. any hints? > > thanks a lot > Murad > > BTW: when do you think mysql 4.1 would be stable enough for > robust use (not necessarily mission critical). > > --------------------------------------------------------------------- > 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 > > > > --------------------------------------------------------------------- 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
