From: Mladen Gogala <mladen.gogala@vmsinfo.com>
To: Achilleas Mantzios <achill@matrix.gatewaynet.com>
Cc: pgsql-performance@postgresql.org <pgsql-performance@postgresql.org>
Subject: Re: "NOT IN" substantially slower in 9.0.2 than 8.3.13 - NOT EXISTS runs fast in both 8.3.13 and 9.0.2
Date: Mon, 17 Jan 2011 11:47:47 -0500
Message-ID: <4D3472B3.2060108@vmsinfo.com> (raw)
In-Reply-To: <201101171735.16162.achill@matrix.gatewaynet.com>
References: <201101171735.16162.achill@matrix.gatewaynet.com>
Achilleas Mantzios wrote:
> From the whole set of the tests involved, it seems like the "NOT IN" version of the query runs slow
> in any postgresql 9.0.2 tested.
>
Not only that, it will run slower even using Oracle 11.2 or MySQL 5.5.
--
Mladen Gogala
Sr. Oracle DBA
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New York, NY 10036
(212) 329-5251
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To: pgsql-performance@postgresql.org
Cc: mladen.gogala@vmsinfo.com, achill@matrix.gatewaynet.com
Subject: Re: "NOT IN" substantially slower in 9.0.2 than 8.3.13 - NOT EXISTS runs fast in both 8.3.13 and 9.0.2
In-Reply-To: <4D3472B3.2060108@vmsinfo.com>
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