Re: exclude part of result

From: "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com>
To: pgsql-sql(at)postgresql(dot)org
Subject: Re: exclude part of result
Date: 2008-06-27 06:48:53
Message-ID: 20080627064853.GA14456@a-kretschmer.de
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-sql

am Fri, dem 27.06.2008, um 0:35:38 +0100 mailte Tarlika Elisabeth Schmitz folgendes:
>
> SELECT DISTINCT a, b, c, now(), count(item_pk)
> FROM product
> LEFT JOIN item ON item.product_fk = product_pk
> WHERE ...
> GROUP BY a, b, c
>
>
> I have another table 'navigation' which also has the columns a,b,c
>
> If the combination of (a,b,c) exists in 'navigation', then exclude it
> from above result. How can I achieve this?

For instance with EXCEPT.

Regards, Andreas
--
Andreas Kretschmer
Kontakt: Heynitz: 035242/47150, D1: 0160/7141639 (mehr: -> Header)
GnuPG-ID: 0x3FFF606C, privat 0x7F4584DA http://wwwkeys.de.pgp.net

In response to

Browse pgsql-sql by date

  From Date Subject
Next Message Tarlika Elisabeth Schmitz 2008-06-27 06:51:36 Re: exclude part of result
Previous Message Tarlika Elisabeth Schmitz 2008-06-26 23:35:38 exclude part of result