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Re: CBO Predicate selectivity

From: Alex Gorbachev <gorbyx_at_gmail.com>
Date: Wed, 12 Jul 2006 10:57:23 +0200
Message-ID: <c2213f680607120157j73e7dea6l6d4b706ed3ac42df@mail.gmail.com>


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_at_landsbanki.is>:
> I need any information on how CBO calculates [predicate] selectivity
> which is more precise than in the Note:68992.1

-- 
Best regards,
Alex Gorbachev

http://blog.oracloid.com
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Received on Wed Jul 12 2006 - 03:57:23 CDT

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