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From: Joachim Trinkwitz <jtr@uni-bonn.de>
To: pgsql-sql@postgresql.org
Subject: INSERT only under certain conditions (SELECT)
Date: 08 Jul 2002 03:18:33 +0200
Message-ID: <874rfb6mqe.fsf@wabe.germanistik.uni-bonn.de> (raw)

Hi,

I want to insert a row only under condition that there isn't already
another row with similar values -- something like a INSERT INTO
... WHERE NOT EXISTS (SELECT ...)?

Hoping for help,
joachim





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