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Date: Sat, 7 May 2011 03:38:09 -0700 (PDT)
From: Mark <Marek.Balgar@seznam.cz>
To: pgsql-performance@postgresql.org
Message-ID: <1304764689919-4378160.post@n5.nabble.com>
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Subject: Re: Query improvement
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Thanks a lot for reply. Finally I have used UNION, but thanks for your help.

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