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Re: Inline View Query Versus Ordinary Query - Comparison

From: Stephane Faroult <sfaroult_at_oriole.com>
Date: Tue, 21 May 2002 15:07:23 -0800
Message-ID: <F001.00466D4B.20020521150723@fatcity.com>


VIVEK_SHARMA wrote:
>
> Query using Inline View Query an Ordinary one ?
> Which is Better w.r.t. Performance & Why ?
>
> EXAMPLE - Following 2 SAMPLE Queries give the SAME Output .
> But which would be better ?
>

Second is better because it accesses half the number of blocks. In this order of magnitude it matters if you run the query every 10s, not if it's part of this quarterly report.

-- 
Regards,

Stephane Faroult
Oriole Software
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Stephane Faroult
  INET: sfaroult_at_oriole.com

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Received on Tue May 21 2002 - 18:07:23 CDT

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