I'm looking at the results of a 10053 trace from 9i.
I'm not finding any real documentation for the following parameters in the 
base table access cost section:

tb_sel
rsc_cpu
rsc_io
ix_sel

I believe that these all combine somehow to define a cost for a specific
index
access but I'm not sure how to calculate this cost. I think this is new for
9i, can someone shed some light on these?

RF

Robert G. Freeman 
Technical Management Consultant
TUSC - The Oracle Experts www.tusc.com
904.708.5076 Cell (it's everywhere that I am!)
Author of several books you can find on Amazon.com!


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