Hi,
a query like this should do the job

select user_profile.user_id from user_profile left join team_member on
(team_member.user_id=user_profile.user.id and team_member.team_id=2) where
team_member.user_id is NULL;


Dobromir Velev
[EMAIL PROTECTED]
www.websitepulse.com

----- Original Message -----
From: "heiko mundle" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, January 28, 2003 16:08
Subject: Help with SELECT, JOIN and WHERE query


> Hi,
>
> I got a difficult problem with a SELECT query:
>
> In my application there are two tables, one for all users (user_profile)
one
> for a user-in-team relation.
>
> I want to know, which user is still not in a speciffic team. Users can be
in
> more than one team, but we don't care about that.
>
> Example:
> user_profile:
> +---------+
> | user_id |
> +---------+
> |    1000 |
> |    1001 |
> |    1002 |
> |    1003 |
> |    1004 |
> |    1005 |
> |    1006 |
> |    ...  |
> +---------+
>
> team_member:
> +---------+---------+
> | team_id | user_id |
> +---------+---------+
> |       1 |    1000 |
> |       1 |    1004 |
> |       1 |    1005 |
> |       2 |    1006 |
> |       2 |    1003 |
> |       2 |    1000 |
> |       2 |    1001 |
> |       2 |    1005 |
> |       3 |    1001 |
> |       3 |    1005 |
> |       3 |    1002 |
> |       3 |    1003 |
> |     ... |    ...  |
> +---------+---------+
>
> Who is not in team no. 2?
>
> Result:
> +---------+
> |    1002 |
> |    1004 |
> +---------+
>
> Thanks for any hint
>
> Kind regards Heiko Mundle
>
> --
> +++ GMX - Mail, Messaging & more  http://www.gmx.net +++
> NEU: Mit GMX ins Internet. Rund um die Uhr für 1 ct/ Min. surfen!
>
>
> ---------------------------------------------------------------------
> 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

Reply via email to