Now, this is a great find! Thanks! Now I have a criteria when to change the parameter. -- Mladen Gogala Ext. 121 -----Original Message----- From: Steve Rospo [mailto:Steve.Rospo@xxxxxxxxxxx] Sent: Wednesday, October 05, 2005 4:51 PM To: Oracle-L Subject: RE: PARALLEL_EXECUTION_MESSAGE_SIZE I found this page which was very interesting: http://doug.burns.tripod.com/px8.html