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RE: fire off multiple dbms_stats.gather_schema

From: David <thump_at_cosmiccooler.org>
Date: Thu, 8 Jul 2004 10:11:13 -0700 (PDT)
Message-ID: <3230.64.37.153.21.1089306673.squirrel@www.cosmiccooler.org>


The sample size auto just takes too long for us, although I might give that another evaluation as last time I played with it was also with histograms.

We plan on using gather monthly and gather empty weekly...

-- 
..
David


> David
> Oops, I read your posting more closely and it looks as if you are only
> gathering statistics on tables that don't have any. Am I reading that
> correctly. Also, you might want to consider the SAMPLE SIZE AUTO. With a
> fixed percentage you may be undersampling small tables and oversampling
> large ones.
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Received on Thu Jul 08 2004 - 12:08:06 CDT

Original text of this message

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