RE: Which plan is better - what COST really means ?

From: Gints Plivna <Gints.Plivna_at_softex.lv>
Date: Fri, 14 Jan 2005 10:43:32 +0200
Message-ID: <69721CE0FE0D59478756C2926DF54E500F87A9@saturn.softex.local>

You can find detailed information how CBO works and calculates costs in http://www.centrexcc.com under Papers section.

Just reading a bit of them now...

Gints

> -----Original Message-----
> From: oracle-l-bounce_at_freelists.org

[mailto:oracle-l-bounce_at_freelists.org]
> On Behalf Of Prem Khanna J
> Subject: Which plan is better - what COST really means ?
> Friends,
> when i have got two plans , how do i decide
> which one is the best ?
> just read in asktom , that COST of a plan ,
> does not have any correspondence with response
> time of a query.

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Received on Fri Jan 14 2005 - 02:41:35 CST