Hi. On Wed 2002-07-17 at 03:21:34 +0200, [EMAIL PROTECTED] wrote: > SELECT * FROM O_Sessions AS first, O_Sessions AS second WHERE > first.iSession=MAX(second.iSession) AND first.iUser=second.iUser > > yes, nice idea, but in mySQL, grouping functions like MAX are only > allowed in SELECT ... FROM, not in the WERE part :-(
What the above query seems to try to do is explained in the tutorial section of the manual: http://www.mysql.com/doc/e/x/example-Maximum-row.html and basically boils down to either using a MySQL-ism (the LIMIT in: ... ORDER BY second.iSession DESC LIMIT 1) or using two steps. Greetings, Benjamin. -- [EMAIL PROTECTED] --------------------------------------------------------------------- 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
