That' the one. In fact I suggested in the book that there might be some other use for it because I had seen a note about 'spare1 being used for the Hakan" factor - and didn't realise that the Hakan fact actually was the max rows per block factor.
Stave Adams has been talking to Oracle support about this quite recently - and there is also a bit of a threat that Oracle may change the way they set the Hakan factor in v10 which would make it useless for my re-org trick. Regards Jonathan Lewis http://www.jlcomp.demon.co.uk For one-day tutorials: (see http://www.jlcomp.demon.co.uk/tutorial.html ) ____UK_______April 8th ____UK_______April 22nd ____Denmark May 21-23rd ____USA_(FL)_May 2nd Next dates for the 3-day seminar: (see http://www.jlcomp.demon.co.uk/seminar.html ) ____UK_(Manchester)_May ____Estonia___June (provisional) ____USA_(CA, TX)_August The Co-operative Oracle Users' FAQ http://www.jlcomp.demon.co.uk/faq/ind_faq.html ----- Original Message ----- To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]> Sent: 25 March 2003 02:33 > I believe it refers to the number of records(rows) > allowed by oracle in a block as deduced from the > 'minimise records per block' clause. > > Primary designed for bitmap index optimization but > Jonathan shows a nifty little use for it in his book > for handling disparate size rows. > > The bug(s) I think he is referring to is that the > value stored can be out by 1 when subsequently used > for a move operation. And I think there was another > one where the value can be lost because the column in > TAB$ (spare1 ? spare3? ) is used for multiple > purposes. > > Of course, all of that might be just drivel... :-) > > Cheers > Connor > > --- [EMAIL PROTECTED] wrote: > Jonathan, > > > > What is the 'Haken' factor? > > > > Jared > > -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Jonathan Lewis 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).
