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UncompBkts: what is it? (reference to 10053 trace)

From: Schultz, Charles <sac_at_uillinois.edu>
Date: Thu, 27 Jul 2006 15:15:06 -0500
Message-ID: <565F609E6D736D439837F1A1A797F3419D1135@ADMINMAIL1.ui.uillinois.edu> 





Google did not deign to tell me, so I am looking elsewhere.



In somewhat related terms, is there a set mathematical formula for "data
skew"? Folks talk about a "little skew" or "very skewed" data.
Practically any column is going to have at least some skew, but I have
to assume that there is a threshold whereby a given histogram (ie,
insufficient number of buckets) is going to hurt your performance.



charles schultz


oracle dba


aits - adsd


university of illinois




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


Received on Thu Jul 27 2006 - 15:15:06 CDT












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