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Re: CBO influences

From: DA Morgan <damorgan_at_psoug.org>
Date: Fri, 09 Sep 2005 15:52:24 -0700
Message-ID: <1126306293.634107@yasure>


Jonathan Lewis wrote:
> "EdStevens" <quetico_man_at_yahoo.com> wrote in message
> news:1126294364.813025.287860_at_o13g2000cwo.googlegroups.com...
>

>>Bingo!  My partner had assured me that he had checked the
>>initialization parms and they were all identical.  When I looked at the
>>10053 trace where all the optimizer related parms were grouped together
>>I discovered that OPTIMIZER_INDEX_CACHING, OPTIMIZER_INDEX_COST_ADJ,
>>and OPTIMIZER_MAX_PERMUTATIONS were different.
>>

>
>
> There's a nice little feature in 10g
> that helps with that, the parameter
> list is split into the parameters
> with altered values and parameters
> with default values.
>
> Such a small change, but such a
> big help.

Didn't the ISDEFAULT column exist in previous versions?

-- 
Daniel A. Morgan
http://www.psoug.org
damorgan_at_x.washington.edu
(replace x with u to respond)
Received on Fri Sep 09 2005 - 17:52:24 CDT

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