Re: CBO Predicate selectivity

There are in fact 2 chapters on selectivity, which ought to serve as a
warning that perhaps the one page metalink note to which you refer is
rather basic. I entirely second Alex's suggestion.

On 7/12/06, Alex Gorbachev <gorbyx@xxxxxxxxx> wrote: 
I think it might be useful to look at Cost-Based Oracle Fundamentals
book from Jonathan (chapter on Selectivity) that has nice description
for these issues.

2006/7/12, Laimutis Nedzinskas <Laimutis.Nedzinskas@xxxxxxxxxxxxx>:
> I need any information on how CBO calculates [predicate] selectivity
> which is more precise than in the Note:68992.1


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Best regards,
Alex Gorbachev

http://blog.oracloid.com
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Niall Litchfield
Oracle DBA
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