From: Richard Broersma Jr <rabroersma@yahoo.com>
To: SQL Postgresql List <pgsql-sql@postgresql.org>
Subject: Re: How to find entries missing in 2nd table?
Date: Tue, 11 Jul 2006 10:03:39 -0700 (PDT)
Message-ID: <20060711170339.65498.qmail@web31809.mail.mud.yahoo.com> (raw)
--- Richard Broersma Jr <rabroersma@yahoo.com> wrote:
> > >> I need to get all entries from the table control that are not listed in
> > >> datapack.
> > >
> > > SELECT C.CONTROLLER_ID
> > >
> > > FROM CONTROL AS C
> > > LEFT JOIN DATAPACK AS D ON ( C.CONTROLLER_ID = D.CONTROLLER_ID)
> > >
> > > WHERE D.CONTROLLER_ID IS NULL;
> > >
> >
> >
> > Or
> > (SELECT controller_id FROM control)
> > EXCEPT
>
> Good point! But don't forget to include the list. :-)
>
> Regards,
>
> Richard Broersma Jr.
> > (SELECT controller_id FROM datapack)
> > ?
> >
> > --
> > Milen A. Radev
> >
>
>
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Cc: rabroersma@yahoo.com
Subject: Re: How to find entries missing in 2nd table?
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