is the user id still there? if not, an outer join should be what you need to
use to get all the rows where there is no match in the other table
bastien
From: Merlin <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Subject: [PHP-DB] selecting rows with no reference
Date: Wed, 08 Dec 2004 12:30:34
This is probably what you are looking for:
SELECT m.subject,m.status,u.user_id
FROM messages m
LEFT JOIN user u ON m.sender_user_id=u.user_id
WHERE u.user_id IS NULL
That will give you all message without a related user.
On Dec 8, 2004, at 6:30 AM, Merlin wrote:
Hi there,
I know this is a question
Hi there,
I know this is a question for the mysql mailing list, but maybe one of you guys
also could help out with that.
I do have to tables (users, messages). Now there unfortunatelly are some
messages where the sender in the user table is missing.
I am trying to find all messages which do not
