Yeah, copped a copy of 10g new features from somewhere, but it was sorely lacking in detail. I seem to have missed the CBO bit.
Jared On Thu, 2004-01-08 at 10:49, Jamadagni, Rajendra wrote: > Right Jared, > > But this is where the new 'learning CBO' comes into picture isn't it? in 10g CBO > looks at the history and then modified the execution plans. > > This is all from Oracle 10g propaganda sheets, I'll agree when I see it in action. > > Raj > -------------------------------------------------------------------------------- > Rajendra dot Jamadagni at nospamespn dot com > All Views expressed in this email are strictly personal. > QOTD: Any clod can have facts, having an opinion is an art ! > > > -----Original Message----- > Sent: Thursday, January 08, 2004 1:40 PM > To: Multiple recipients of list ORACLE-L > > > > Me thinks CBO is probably never going to be bug free. > > What works for you, won't work for me unless we run > > identical systems, it is a general purpose system, > > CBO doesn't know your system or data usage. > > At this point it would seem beneficial to differentiate between a > bug and a logic error. > > Roughly, a bug would seem to be code that falls into one of > two categories: > > * code that doesn't do what the developer intended > * code that generates errors > > A logic error would be found in code that does exactly what > the developer intended, but what the developer intended is > the wrong thing to do. > > This could be expanded to include the inability of CBO to > properly identify a usage pattern. > > just my opinion. > > Jared > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.net > -- > Author: Jamadagni, Rajendra > 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: Jared Still 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).
