Try "select oid,* from ccontinue where citkey ='04-0594703' group by oid,citkey,contby,contdate,abcontinue,ccdate having contdate= max(contdate)"
Thanks Dinesh Pandey -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of A. R. Van Hook Sent: Tuesday, April 12, 2005 10:54 PM To: pgsql-sql@postgresql.org Subject: [SQL] max question I have the following in a table: oid | citkey | contby | contdate | abcontinue | ccdate ---------+------------+----------+------------+------------+------------ 5774835 | 04-0594703 | | | | 5775325 | 04-0594703 | Attorney | 04/06/2005 | 6 | 03/07/2005 5776060 | 04-0594703 | Attorney | 05/04/2005 | 6 | 04/05/2005 5776067 | 04-0594703 | Attorney | 05/04/2005 | 6 | 04/05/2005 I am trying to pull rows that have the max. contdate. Why does the following give more than 2 rows? ql "select oid,* from ccontinue where citkey ='04-0594703' group by oid,citkey,contby,contdate,abcontinue,ccdate having max(contdate) = contdate" oid | citkey | contby | contdate | abcontinue | ccdate ---------+------------+----------+------------+------------+------------ 5776067 | 04-0594703 | Attorney | 05/04/2005 | 6 | 04/05/2005 5775325 | 04-0594703 | Attorney | 04/06/2005 | 6 | 03/07/2005 5776060 | 04-0594703 | Attorney | 05/04/2005 | 6 | 04/05/2005 (3 rows) thanks ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq ---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend
