Have a look at the HAVING clause ...
----- Original Message -----
From: "js " <[EMAIL PROTECTED]>
To: <mysql@lists.mysql.com>
Sent: Monday, February 12, 2007 2:48 PM
Subject: NOT EMPTY, like NOT NULL
Hi list,
A silly question.
Is it possible to prevent empty value('') from appearing in a field?
I can solve this by using subquery or trigger,
but it's a little bit painful.
The simpler the better :)
Thanks.
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