RE: Creating Histograms

  • From: "Juan Carlos Reyes Pacheco" <jreyes@xxxxxxxxxxxxxxxx>
  • To: <oracle-l@xxxxxxxxxxxxx>
  • Date: Wed, 21 Jul 2004 15:06:05 -0400

ok ;)
 
-------Original Message-------
 
From: oracle-l@xxxxxxxxxxxxx
Date: 07/21/04 14:56:28
To: oracle-l@xxxxxxxxxxxxx
Subject: RE: Creating Histograms
 
My point was only that "choosing" lowest cost plan of a given statement is
not necessarily indicative of the "best" plan.
--
.
David
 
> Hi David, then how do you get cbo uses the histogram and do a full scan,
> when this is more than 90% of the data
> changing the optimizer index parameter?
 
----------------------------------------------------------------
Please see the official ORACLE-L FAQ: http://www.orafaq.com
----------------------------------------------------------------
To unsubscribe send email to: oracle-l-request@xxxxxxxxxxxxx
put 'unsubscribe' in the subject line.
--
Archives are at //www.freelists.org/archives/oracle-l/
FAQ is at //www.freelists.org/help/fom-serve/cache/1.html
-----------------------------------------------------------------
----------------------------------------------------------------
Please see the official ORACLE-L FAQ: http://www.orafaq.com
----------------------------------------------------------------
To unsubscribe send email to:  oracle-l-request@xxxxxxxxxxxxx
put 'unsubscribe' in the subject line.
--
Archives are at //www.freelists.org/archives/oracle-l/
FAQ is at //www.freelists.org/help/fom-serve/cache/1.html
-----------------------------------------------------------------

Other related posts: