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RE: density calculation when histograms are involved

From: Alvaro Jose Fernandez <alvaro.fernandez_at_sivsa.com>
Date: Thu, 13 Sep 2007 19:55:49 +0200
Message-ID: <607D6181D9919041BE792D70EF2AEC48242D7F@LIMENS.sivsa.int> 





Hi Cheng,

 



Recommend you to read:

 



1st: Wolfgang's


http://www.centrexcc.com/Histograms%20-%20Myths%20and%20Facts.pdf

 



2nd: Alberto Dell'Era "Join over Histograms" paper :
http://www.adellera.it/investigations/join_over_histograms/JoinOverHisto
grams.pdf  (covering much more complex cases)

 



regards.



--
http://www.freelists.org/webpage/oracle-l


Received on Thu Sep 13 2007 - 12:55:49 CDT












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