Re: subquery/alias question

On Sep 25, 2007, at 16:59 , Madison Kelly wrote:

> SELECT
> d.dom_id,
> d.dom_name,
> (SELECT COUNT(*) FROM users u WHERE u.usr_dom_id=d.dom_id)
> AS
> usr_count
> FROM
> domains d
> WHERE
> (SELECT COUNT(*) FROM users u WHERE u.usr_dom_id=d.dom_id) > 0
> ORDER BY d.dom_name ASC;

Why not just use a join? Something like this would work, I should think:

select dom_id,
dom_name,
usr_count
from domains
natural join (select usr_dom_id as dom_id,
count(usr_dom_id) as usr_count
from users) u
where usr_count > 0
order by dom_name;

Michael Glaesemann
grzm seespotcode net