I have 2 tables, let says, table A and table B. Each table record person name.
select B.name from B, A where B.name = A.name Query above should return the name which recorded in both tables (duplicate name) In reverse, how can I retrive the name which recorded in Table B and not present in Table A? Table A name id ---------------------------------------- Johnson | 1203 Jack | 1192 Mary | 5509 Jimmy | 1189 ---------------------------------------- Table B name level ---------------------------------------- Johnson | AA Mary | AC Alex | AA Chris | AA ---------------------------------------- select B.name from B, A where B.name <> A.name this query not work as I expect, also with join _________________________________________________________________ Join the world’s largest e-mail service with MSN Hotmail. http://www.hotmail.com --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php