RE: Joining more than 2 tables - Mailing list pgsql-general

On Wed, 2 May 2001, Jeff Meeks wrote:

>     What I am looking for is a query that will return a list of id's with a
> sum from table b and a sum from table c like this:
>
>         id    name    sum(b)        sum(a)
>         1    shell     34         50
>         2    jeff     40         20
>
> Thanks
> Jeff Meeks
> jmeekssr@net-serv.com

SELECT id, name,
       (SELECT sum(b) FROM b WHERE b.id=a.id) AS sum_b,
       (SELECT sum(c) FROM c WHERE c.id=a.id) AS sum_c
FROM   a;

--
Joel Burton   <jburton@scw.org>
Director of Information Systems, Support Center of Washington