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Re: SIEBEL PERFORMANCE RBO to CBO

From: Dennis Williams <oracledba.williams_at_gmail.com>
Date: Sat, 3 Feb 2007 15:44:08 -0600
Message-ID: <de807caa0702031344y2633ba12u9806966caab2af9e@mail.gmail.com>


Paula,

I don't know Siebel, but I'd be curious what the vendor's recommendation toward CBO is.
Also, you might mention your version of Siebel, that might make a difference to the Siebel experts on the list.

Dennis Williams

On 2/3/07, Paula Stankus <paulastankus_at_yahoo.com> wrote:
>
> We have made a number of changes to optimizer parameters and generated
> statistics in our Siebel database migrated to 10g from 8i (i.e. rule-based
> to cost-based optimizer). However, we still see significant response time
> differences between the two versions. I am thinking of using outlines to
> make Siebel on 10g behave and have the same execution plans as Siebel on
> 8i.
>
> Has anyone else had experience in doing this?
>
> Thanks in advance,
> Paula
>
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Received on Sat Feb 03 2007 - 15:44:08 CST

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