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Re: not in vs not exists - vastly diferent performance - Mailing list pgsql-sql

From Tom Lane
Subject Re: not in vs not exists - vastly diferent performance
Date
Msg-id 20597.1072369941@sss.pgh.pa.us
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In response to not in vs not exists - vastly diferent performance  ("Iain" <iain@mst.co.jp>)
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"Iain" <iain@mst.co.jp> writes:
> I found this interesting and thought I'd offer it up for comment.

You didn't say what PG version you are using, but I'd venture to bet
it is pre-7.4.
        regards, tom lane

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