Add "group by ID;" as in:
SELECT ID,MAX(LastModDate) FROM Tab group by ID; > -----Original Message----- > From: Basavaraja, Ravindra [mailto:[EMAIL PROTECTED] > Sent: Wednesday, May 28, 2003 8:15 PM > To: Multiple recipients of list ORACLE-L > Subject: SQL Query Help > > > i have a query that returns 2 rows with one column being id > and the other > being date-time stamp. > > i want to select the row with the latest timestamp among those two > records.they have difference id values > > SELECT ID,LastModDate > FROM Tab > > ID LastModDate > -- ----------- > 2 1/20/2003 2:56:18 AM > 1 4/23/2003 10:26:42 PM > > I want to modify the above query to return the row with id=1 > which has the > latest timestamp > > I tried this > > SELECT ID,MAX(LastModDate) > FROM Tab > > getting this error > OERR: ORA 937 not a single-group group function > > how do i get this work. > > Thanks > -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Murray, Margaret 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).