Re: NULL-Werte in PostgreSQL

From: Janko Richter <jankorichter(at)gmx(dot)de>
To: "postgres-liste" <pgsql-de-allgemein(at)postgresql(dot)org>
Subject: Re: NULL-Werte in PostgreSQL
Date: 2008-11-05 16:40:23
Message-ID: 200811051740.23256.jankorichter@gmx.de
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On Wednesday 05 November 2008 17:12:49 Olaf Radicke wrote:
> SELECT COUNT(*) FROM mitglied SET WHERE address_addition = NULL;

... weil

SELECT COUNT(*) FROM mitglied WHERE address_addition IS NULL

richtig wäre.

Gruß: Janko

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