Re: Dead slow count(*)

From: Tanel Poder <tanel.poder.003_at_mail.ee>
Date: Fri, 30 Jan 2004 13:05:37 +0200
Message-ID: <02da01c3e720$fdfa60c0$72f923d5@porgand>

> Not always. If Oracle CAN use an index to return the correct value it
will.

And materialized views in some cases as well ;)

Tanel.

>
> At 05:09 PM 1/29/2004, you wrote:
> >If You use function COUNT, Oracle will always do fullscan!!!
> >So, first question should be - Do I really need to use COUNT?
> >++++++++++++++++++++++++
>
> Wolfgang Breitling
> Oracle7, 8, 8i, 9i OCP DBA
> Centrex Consulting Corporation
> http://www.centrexcc.com
>
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Received on Fri Jan 30 2004 - 05:05:37 CST