> It seems to do the job, but how good is it in the long run? Any way I > could tweak it? I think this form will work the best: SELECT u.login, MAX(s.stop_time) AS last_use_time FROM users u, stats s WHERE u.id=s.user_id AND u.status='3' AND u.next_plan_id IS NULL GROUP BY u.login HAVING MAX(s.stop_time) < (now() - interval '1 month') ORDER BY last_use_time; ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings