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 -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql