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From: Stephan Szabo <sszabo@megazone.bigpanda.com>
To: Thomas F.O'Connell <tfo@sitening.com>
Cc: PgSQL - SQL <pgsql-sql@postgresql.org>
Subject: Re: Counting Distinct Records
Date: Tue, 16 Nov 2004 14:34:31 -0800 (PST)
Message-ID: <20041116141911.K84773@megazone.bigpanda.com> (raw)
In-Reply-To: <6E79C2FE-380B-11D9-95C2-000D93AE0944@sitening.com>
References: <1B2F7B00-3808-11D9-95C2-000D93AE0944@sitening.com>
	<20041116115807.E79990@megazone.bigpanda.com>
	<6E79C2FE-380B-11D9-95C2-000D93AE0944@sitening.com>

On Tue, 16 Nov 2004, Thomas F.O'Connell wrote:

> Is there another way to accomplish what the former is doing, then?

The only thing I can think of is a subselect in from that uses distinct.
 select count(*) from (select distinct ...) foo

That also theoretically allows you to use select distinct * inside the
subselect.



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