I would work from the inside out. What you're doing is grouping scenes
by DVD and throwing away the ones that have no scenes. If you start
with DVDs and do a subquery for each row, you'll process DVDs without
scenes and then filter them out. If you start with a subquery that's
grouped by DVD ID, al
elly [mailto:my...@wastedtimes.net]
Sent: Saturday, May 19, 2012 3:34 PM
To: mysql@lists.mysql.com
Subject: Re: SQL query help. Retrieve all DVDs that have at least one scene
of a certain encoding format
Hi.
On Friday 18 May 2012 18:21:07 Daevid Vincent wrote:
> Actually, I may have figured
Hi.
On Friday 18 May 2012 18:21:07 Daevid Vincent wrote:
> Actually, I may have figured it out. Is there a better way to do this?
I don't see why you need the dvds table when the dvd_id is in the scene table:
SELECT a.dvd_id
FROM scenes_list a, moviefiles b
WHERE a.scene_id = b.scene_id
AND
> -Original Message-
> Sent: Friday, May 18, 2012 5:34 PM
>
> I have a table of DVDs, another of scenes and a last one of encoding
> formats/files...
>
> I want to find in one query all the dvd_id that have > 0 scene_id that's
> encoded in format_id = 13.
> In other words all DVDs that ar
