Re: Would an index benefit select ... order by?

From: "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Would an index benefit select ... order by?
Date: 2007-11-03 07:33:44
Message-ID: 20071103073343.GA27773@a-kretschmer.de
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am Sat, dem 03.11.2007, um 11:09:05 +0400 mailte rihad folgendes:
> Hi,
>
> Should an index be used on a created_at timestamp column if you know you
> will be using "ORDER BY created_at ASC|DESC" from time to time?

Yes. And you should use EXPLAIN.

Andreas
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