Does anyone have a better way of rewriting the following query? I'm trying to avoid querying the table, tab1 twice.
select a, b from tab1 where a in (select a from tab1 group by a having count(*)=1);
Thanks.
elain
_________________________________________________________________
Make your home warm and cozy this winter with tips from MSN House & Home. http://special.msn.com/home/warmhome.armx
-- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: elain he INET: [EMAIL PROTECTED]
Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
