RE: fire off multiple dbms_stats.gather_schema
- From: "David" <thump@xxxxxxxxxxxxxxxx>
- To: oracle-l@xxxxxxxxxxxxx
- Date: Thu, 8 Jul 2004 10:11:13 -0700 (PDT)
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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