RE: _index_join_enabled in 9i

2003-12-04 Thread Larry Elkins
-389,160 Run1 latches total versus runs -- difference and pct Run1 Run2 Diff Pct 119,21994,383 -24,836 126.31% Regards, Larry G. Elkins [EMAIL PROTECTED] 214.954.1781 > -Original Message- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of > Conn

Re: _index_join_enabled in 9i

2003-12-04 Thread Connor McDonald
My understanding is that the parm simply reverts you to pre-9 behaviour where index joins were not there, so there should be no major problems. hth connor --- April Wells <[EMAIL PROTECTED]> wrote: > > We have discovered an... opportunity... and Oracle's > suggestion is to set > _index_join_ena

Re: _index_join_enabled in 9i

2003-12-03 Thread Jonathan Lewis
It disables index hash joins (hashing a scan of two indexes on a single table to generate a result without visiting the table). If you are upgrading, you weren't using that path before, so won't miss it if you switch it off now. Regards Jonathan Lewis http://www.jlcomp.demon.co.uk The educate

_index_join_enabled in 9i

2003-12-03 Thread April Wells
Title: _index_join_enabled in 9i We have discovered an... opportunity... and Oracle's suggestion is to set _index_join_enabled = false Anyone seen any detrimental effects of setting this parameter to false in 9.2.0.#? April Wells Oracle DBA/Oracle Apps DBA Corporate Systems Amarillo