RE: how to keep statistics up to date for CBO

I don't see any reason why that couldn't happen concurrently. The table and its indexes are different physical segments.

At 09:59 AM 10/9/2003, you wrote:

>So Wolfgang,
>
>in that case, should _wait_ till table stats (which are probably estimate)
>are complete to perform index stats (which you recommend compute) or can
>that happen in parallel.
>
>Raj
>--------------------------------------------------------------------------------
>
>Rajendra dot Jamadagni at nospamespn dot com
>All Views expressed in this email are strictly personal.
>QOTD: Any clod can have facts, having an opinion is an art !
>
>-----Original Message-----
>From: Wolfgang Breitling
>[<mailto:breitliw_at_centrexcc.com>mailto:breitliw_at_centrexcc.com]
>Sent: Thursday, October 09, 2003 11:40 AM
>To: Multiple recipients of list ORACLE-L
>Subject: RE: how to keep statistics up to date for CBO
>
>One reason to collect index stats separately would be if you use estimate
>for the collection of the table statistics. In that case I collect the
>index stats separately with a compute. Index statistics collection is fast
>enough to always go for exact statistics rather than sampling.
>
>
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Wolfgang Breitling
Oracle7, 8, 8i, 9i OCP DBA
Centrex Consulting Corporation
http://www.centrexcc.com

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