More weirdity based on the situation from the last email... SQL> insert into junk values ('Y');
1 row created. SQL> select a.*, b.* 2 from 3 ( select * from junk minus select * from junk2 ) a, 4 ( select * from junk2 minus select * from junk ) b; T T - - Y X SQL> insert into junk2 values ('Y'); 1 row created. SQL> select a.*, b.* 2 from 3 ( select * from junk minus select * from junk2 ) a, 4 ( select * from junk2 minus select * from junk ) b; no rows selected -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Bellow, Bambi 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).