We will be in the same process soon.
We'll have to consolidate over 100 instances to
something between 40-60 instances and switch from RBO
to CBO.
Any tips are welcome.
- Steve McClure <smcclure_at_usscript.com> a écrit : >
I am just starting to look at converting to the cost
> based optimizer, and am
> hoping a few of you can share insights from having
> done so in the past. Our
> application is an oltp system developed on 7.3.4.
> We made liberal use of
> +0 and other RBO "hints", and I am wondering if
> these are going to cause us
> troubles when switching to CBO.
>
> We have been on 8i since April of this year, and I
> am just now starting to
> gather information on the inner workings of the CBO.
> I know it is where I
> want to be, I am just looking to see how
> painful/painless the transition
> will be.
>
> Steve McClure
>
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> Author: Steve McClure
> INET: smcclure_at_usscript.com
>
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Stéphane Paquette
DBA Oracle et DB2, consultant entrepôt de données
Oracle and DB2 DBA, datawarehouse consultant
stephane_paquette_at_yahoo.com
Lèche-vitrine ou lèche-écran ?
magasinage.yahoo.ca
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Received on Tue Nov 19 2002 - 15:49:35 CST
