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Re: HELP WITH A QUERY

From: Mladen Gogala <mladen(dot)gogala(at)vmsinfo(dot)com>
To: pgsql-novice(at)postgresql(dot)org
Subject: Re: HELP WITH A QUERY
Date: 2010-11-25 14:42:41
Message-ID: 4CEE75E1.5060001@vmsinfo.com (view raw or flat)
Thread:
Lists: pgsql-novice
On 11/24/2010 08:35 PM, Jasen Betts wrote:
> all examples untested
>
> eg "NOT IN":
A word of caution: according to my experience, "NOT IN" exhibits much 
stronger inclination to produce sequential scan plans than "NOT EXISTS".

-- 
Mladen Gogala
Sr. Oracle DBA
1500 Broadway
New York, NY 10036
(212) 329-5251
www.vmsinfo.com


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