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Home -> Community -> Mailing Lists -> Oracle-L -> Re: RE: RULE versus CHOOSE
On Friday 06 July 2001 10:28, VIVEK_SHARMA wrote:
> Can you possibly Detail what you mean by Skewed Data ?
Real life example.
145,000 rows. ( large rows ). the column most used by SQL queries has 4 distinct values. 144,800 of them are the same value.
Using histograms on this worked quite well.
Jared
-- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Jared Still INET: jkstill_at_cybcon.com Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).Received on Fri Jul 06 2001 - 22:24:54 CDT
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