Sorry not real familar with MYSQL syntax yet but I think you'll
be able to translate.


select
  m.magazinename 
from
  s,m,b
where 
  s.name = 'fred'
and
  s.id=b.subscriberid
and 
  m.id=b.magazineid
;


On Wed, Jan 23, 2002 at 03:59:11PM -0700, Christopher Thompson wrote:
> At 02:51 PM 1/23/2002 -0800, you wrote:
> >i  understand that creating a M:N relationship in mysql involves 3 tables, 
> >one of which being a bridge, but how do i join the first and third tables 
> >by way of a bridge?
> >
> >  example: a table of subscribers and a table of magazines with a bridge 
> > in the middle. how do i select just the magazines fred is subscribed to? 
> > thanks in advance and sorry if this is a confusing question.
> 
> Table S (subscribers)
> ID
> Name
> 
> 
> Table M (magazines)
> ID
> MagazineName
> 
> 
> Table B (bridge)
> SubscriberID
> MagazineID
> 
> 
> Sample data in S:
> 1 - Fred
> 2 - John
> 3 - Chris
> 
> Sample data in M:
> 1 - Playboy
> 2 - Computer Gaming World
> 3 - Maxim
> 
> Sample data in B:
> 1 - 1
> 1 - 3
> 2 - 1
> 2 - 2
> 3 - 2
> 
> How do you select just the magazines Fred subscribes to?  SELECT 
> MagazineName FROM M, B WHERE M.ID = B.MagazineID AND B.SubscriberID = 
> (Fred's ID);
> 
> Or something.  My SQL is a little rusty, it's been about six months since I 
> used it last.
> 
> 
> 
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