RE: Poorly performing query and 10053 trace

Thank you all for your help, we will be cloning prod down this weekend so I
am curious to see if the same plan is generated or if it will mirror prod
and dev. I am still analyzing the trace files but the cause doesn't pop out
at me.
 
Ken Naim


  _____  

From: Wolfgang Breitling [mailto:breitliw@xxxxxxxxxxxxx] 
Sent: Friday, January 13, 2006 6:44 AM
To: niall.litchfield@xxxxxxxxx
Cc: Mladen Gogala; kennaim@xxxxxxxxx; oracle-l@xxxxxxxxxxxxx
Subject: Re: Poorly performing query and 10053 trace


To be correct, my article describes the CBO 8.1 trace and, to some degree
behaviour. Jonathan's book not only describes a far more recent 10.1 10053
trace in chapter 14, the preceding chapters go far beyond what my paper did.
In comparison to the book, the best that can be said about my paper is that
it's free - and you know the adage "you get what you pay for". Of course,
that is not always correct. With Jonathan's book you get much more than you
pay for.

For the record, I do not get any royalties for increased sales. I just think
it is an exceptional book and my little blurb pales in comparison besides
becoming incredibly dated.

At 02:37 AM 1/13/2006, Niall Litchfield wrote:


On 1/13/06, Mladen Gogala <gogala@xxxxxxxxxxxxx > wrote:


Not wanting to diminish Jonathan's exquisite book, there is also an


excellent article by Mr. Wolfgang Breitling, on http://www.centrexcc.com.


The description is excellent and immediately usable. 




I can't believe I forgot that one. 


Regards

Wolfgang Breitling
Centrex Consulting Corporation
www.centrexcc.com

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