This looks symptomatic of a problem with using a temporary table in a join. Because of anomalies with statistics on temporary tables, Oracle has chosen a completely mad execution plan - e.g. involving the temporary table as the inner table of a nested loops join.
(Not guaranteed, but reasonably likely). 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: 26 March 2003 19:24 > > >NB - when you say 'hanging' does you mean: > > The CPU is working hard but the process > > is not completing > > > > The above is the condition I observed. There was a select cursor that > joined the temp table to several others that was showing the cache > buffer chain waits; the update cursor, that updates rows in the temp > table did not exhibit waits. > > --Glenn Stauffer > -- 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).
