RE: density calculation when histograms are involved

From: "Baumgartel, Paul" <paul.baumgartel@xxxxxxxxxxxxxxxxx>
To: alvaro.fernandez@xxxxxxxxx, exriscer@xxxxxxxxx, "oracle-l" <oracle-l@xxxxxxxxxxxxx>
Date: Thu, 13 Sep 2007 14:52:35 -0400

Also consult Jonathan Lewis's book Cost-Based Oracle.
 

Paul Baumgartel 
CREDIT SUISSE 
Information Technology 
Securities Processing Databases Americas 
One Madison Avenue 
New York, NY 10010 
USA 
Phone 212.538.1143 
paul.baumgartel@xxxxxxxxxxxxxxxxx 
www.credit-suisse.com 

 

________________________________

From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Alvaro Jose
Fernandez
Sent: Thursday, September 13, 2007 1:56 PM
To: exriscer@xxxxxxxxx; oracle-l
Subject: RE: density calculation when histograms are involved



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.


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References:

RE: density calculation when histograms are involved
From: Alvaro Jose Fernandez

RE: density calculation when histograms are involved

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