Histograms
- From: Charlotte Hammond <charlottejanehammond@xxxxxxxxx>
- To: ORACLE-L <oracle-l@xxxxxxxxxxxxx>
- Date: Tue, 16 Aug 2005 04:33:47 -0700 (PDT)
Hi All,
Can I poll the list on their views on the use of
histograms? I've previously been quite conservative,
only gathering them when we've had a specific case of
bad CBO performance due to skewed data. However I was
interested in this article mentioning a "broad brush"
approach to histogram gathering:
http://www.dba-oracle.com/oracle_tips_all_columns_histograms.htm
Any thoughts to share?
Thank you
Charlotte
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