If you want to find the one's that don't have a match try: select id from table1 minus select id from table2;
Roland.Skoldb lom To: Multiple recipients of list ORACLE-L @ica.se <[EMAIL PROTECTED]> Sent by: root cc: Subject: Check if a value in one table doesnt exist 10/25/2001 04:00 AM Please respond to ORACLE-L Hallo you DBA' Can anyone give me a good example on a sql select statement checking if any value in id field in table one exists in table two's id field?Table two also contains the corresponding id field but with other field names besides. Like this Table 1: Id Name Year Table 2: :Id City Country Thanks in advance Roland Sköldblom -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- 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). -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- 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).