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Re: [PERFORM] HELP speed up my Postgres

From: Jerome Macaranas <jerome(at)gmanmi(dot)tv>
To: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
Cc: pgsql-performance(at)postgresql(dot)org, pgsql-general(at)postgresql(dot)org
Subject: Re: [PERFORM] HELP speed up my Postgres
Date: 2004-11-26 08:28:31
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-generalpgsql-performance
it did..  thanks.. generally a weeks process turned out to be less than a 

On Thursday 25 November 2004 15:06, Christopher Kings-Lynne wrote:
> > 		update SUBSCRIPTIONTABLE set ACTIVEFLAG='Y' where mobile_num in (select
> > mobile_num from LOADED_MOBILE_NUMBERS)
> Change to:
> update SUBSCRIPTIONTABLE set ACTIVEFLAG='Y' where exists (select 1 from
> lmn.mobile_num=SUBSCRIPTIONTABLE.mobile_num);
> That should run a lot faster.
> Make sure you have indexes on both mobile_num columns.
> Chris
> ---------------------------(end of broadcast)---------------------------
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Jerome Macaranas
Systems/Network Administrator
GMA New Media, Inc.
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Fax: (632) 9284553
Mobile: (632) 918-9336819

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