Re: subselect syntax

> Here's my select:
> SELECT * FROM users
> WHERE user_id <> $current_user_id
> AND user_id <> ( SELECT user_id FROM user_projects WHERE project_id =
> $project_id )

Instead of "AND user_id <> (..." try using NOT IN:

SELECT *
FROM users
WHERE user_id <> $current_user_id
AND user_id NOT IN (SELECT user_id FROM user_projects WHERE
project_id = $project_id)

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