Re: Dead slow count(*)

From: "Tanel Poder" <tanel.poder.003@xxxxxxx>
To: <oracle-l@xxxxxxxxxxxxx>
Date: Fri, 30 Jan 2004 13:05:37 +0200

> 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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References:

Dead slow count(*)
From: Jordi Adame V

Re: Dead slow count(*)
From: Jan Pruner

Re: Dead slow count(*)
From: Wolfgang Breitling

Re: Dead slow count(*)

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