> Hi all,
> I have this query:
> SELECT tableA.*, COUNT(*) AS Tot
> FROM tableB
> LEFT JOIN tableA ON tableA.uid=tableB.uid
> GROUP BY tableA.uid
> This query shows only the users (tableA) that are in tableB with at
> least 1 record (like total) but not the users that have 0 record.
> How can I obtain all users, also those with 0 record??
Use a LEFT OUTER JOIN, but reverse it; join from tableA to tableB.
You may be looking for a FULL OUTER JOIN, I'm not sure. MySQL doesn't support that,
but see: http://www.xaprb.com/blog/2006/05/26/how-to-write-full-outer-join-in-mysql/