I haven't seen any problems yet. On the contrary - there are facilities in the EXPLAIN PLAN which are not available through v$sql_plan , such as recursive SQL for subquery factoring, and a couple of columns (but I can't remember which ones at the moment).
Regards Jonathan Lewis http://www.jlcomp.demon.co.uk Coming soon one-day tutorials: Cost Based Optimisation Trouble-shooting and Tuning Indexing Strategies (see http://www.jlcomp.demon.co.uk/tutorial.html ) ____UK_______March 19th ____UK_______April 8th ____UK_______April 22nd ____USA_(FL)_May 2nd Next Seminar dates: (see http://www.jlcomp.demon.co.uk/seminar.html ) ____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: 05 March 2003 16:35 > Just had a fellow tell me that explain plan in completely unreliable in 9.2 > and getting accurate results requires direct SGA access on executing SQL (he > is working in a RAC environment). They are running Precise, a good product, > but this sounds like something a sales person told him. I can only recall > that occasionally the plan executed is not the plan you see in explain plan. > Anyone know the truth of this issue? > > - Ethan -- 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).
