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From: A. Kretschmer <andreas.kretschmer@schollglas.com>
To: pgsql-performance@postgresql.org
Subject: Re: Database size
Date: Fri, 15 Jun 2007 06:58:06 +0200
Message-ID: <20070615045806.GA14492@a-kretschmer.de> (raw)
In-Reply-To: <1181290934.160823.161630@w5g2000hsg.googlegroups.com>
References: <1181290934.160823.161630@w5g2000hsg.googlegroups.com>

am  Fri, dem 08.06.2007, um  1:22:14 -0700 mailte choksi folgendes:
> Hi all,
> 
> I had a database which uses to hold some 50 Mill records and disk
> space used was 103 GB. I deleted around 34 Mill records but still the
> disk size is same. Can some on please shed some light on this.

DELETE only mark rows as deleted, if you need the space you need a
VACUUM FULL.

Read more: http://www.postgresql.org/docs/current/static/sql-vacuum.html


Andreas
-- 
Andreas Kretschmer
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