On Fri, 20 Nov 2009 16:41:58 -0600, LAMP wrote: > SELECT r.* > FROM registrants r > where r.reg_status=1 AND r.reg_id NOT IN (SELECT tbrc_reg_id FROM > toberecleared) > > > SELECT r.* > FROM registrants r > where r.reg_status=1 AND (SELECT count(*) FROM toberecleared where > tbrc_reg_id=r.reg_id) = 0 > > I checked explain of bot queries - but can't "read" them. :-) Like Ashley, I'd probably go with the first one. The other one seems a little backwards. Out of curiosity, what *does* EXPLAIN say about them? /Nisse -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php