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"Science is the belief in the ignorance of experts." --Richard Feynman
Cary Millsap
Hotsos Enterprises, Ltd.
http://www.hotsos.com
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-----Original Message-----
Yong Huang
Sent: Tuesday, December 09, 2003 1:45 PM
To: Multiple recipients of list ORACLE-L
Thanks, Richard. I'll read your long message more carefully later. I
like your
statement that rebuilding an index or not is not rocket science. One
needs to
measure the performance before and after the rebuild and make a
conclusion
himself. Many times we discuss performance issues and get very technical
and
sophisticated, without showing experimental results! Having been a
science
researcher before, I'd like to emphasize that facts speak louder than
theories.
There may be 10,000 24x7 databases in the world that don't easily allow
even
testing an index rebuild. But there may be 100 times more production
databases
in the world that are not 24x7. The individual DBA needs to do his
control
study and conclude, using experts' opinions as reference.
Yong Huang
-- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Yong Huang INET: yong321_at_yahoo.com Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- 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). -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Cary Millsap INET: cary.millsap_at_hotsos.com Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- 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 Tue Dec 09 2003 - 16:29:42 CST