Daniel, Thank you so much.
-Sami -----Original Message----- To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]> Date: Wed, 05 Nov 2003 12:19:25 -0800 Jeff's paper (and other relevant ones) can be found on Tim Gorman's site (www.evdbt.com). Daniel Fink "Goulet, Dick" wrote: > Sami, > > Your problem is not with the index, but rather the cost based optimizer. > Most of us have been beat severely over the head and shoulders through the years > that full table scans are a BAD thing, me included BTW. Well, it's time for the old > dog to learn new tricks. So that I'm not a long winded person, take a look in > Select magazine, 3rd qtr 2003, for the article "In Defense of Full Table Scans" by > Jeff Maresh. For a long time the CBO was a mystery to me as well especially when it > did unexpected things like this. I've applied Jeff's ideas on computing an index's > efficiency to see if it explained what the CBO did. Amazingly in 95% of the cases > I've analyzed it made absolute sense. > > I'm including Jeff with a courtesy copy of this message so that 1) I can pat > him for making the waters clear and 2) so he can add anything he desires. > > Dick Goulet > Senior Oracle DBA > Oracle Certified 8i DBA -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Daniel Fink INET: [EMAIL PROTECTED] 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: [EMAIL PROTECTED] (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: Saminathan INET: [EMAIL PROTECTED] 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: [EMAIL PROTECTED] (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).
