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Posted by Michael Vilain on 05/25/05 06:06
In article <d70ip2$ouj$1@news8.svr.pol.co.uk>,
"StealthBananaT" <noone@nowhere.com> wrote:
> My database has two tables - films has 10,000 records and reviews has 20,000
> records. Whenever I try to list all the films and the
> count of its reviews, MySQL locks and I have to restart the service.
>
> Here's the SQL...
>
> SELECT films.*, COUNT(reviews.id)
> FROM films LEFT JOIN reviews ON films.id = reviews.filmID
> GROUP BY films.id
> LIMIT 0, 100;
>
> JOIN works but doesn't return records for films with no reviews. Please
> help!
Are films.id and reviews.filmID indexes?
--
DeeDee, don't press that button! DeeDee! NO! Dee...
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