Hi, Perhaps try to remove the brackets ? SELECT location FROM visiExPr where location=1 UNION SELECT location FROM visiExPr where location=0;
(I assume you're using MySQL 4.0.x ?) Regards, Jocelyn Fournier ----- Original Message ----- From: "Dan Liu" <[EMAIL PROTECTED]> To: ">" <<[EMAIL PROTECTED]> Sent: Wednesday, May 22, 2002 5:57 PM Subject: Union does not work Hi, Could anybody tell me why the following query does not work? SELECT location FROM visiExPr where location=1 union (SELECT location FROM visiExPr where location=0); Thanks! Dan --------------------------------------------------------------------- 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 --------------------------------------------------------------------- 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
