All, Just had an interesting thing happen that I though I would share.
Moving data between two 25 gig tables. Here is the script I used: #!/bin/ksh echo 'start of ALV Copy' sqlplus -S << EOF ax00332/pwd set transaction use rollback segment batch_rbs; alter session enable parallel dml; set serveroutput on size 1000000; set timing on; insert /*+ append parallel(b,12) */ into dwcorp.$1_new b select /*+ parallel(a,12) */ * from dwcorp.$1 a; commit; EOF This process showed 12 pq procs doing a select and waiting on "pq: send blocked" event, and one process doing the insert and waiting on "file open" event. These waits persisted for 15 minutes before I killed the processes. The problem was that the "enable parallel dml" statement has to be the first statement and cannot come after the "set transaction" statement. Once I put the DML statement before the transaction statement, the query spawned off 24 processes and finished in 16 minutes. /jack silvey __________________________________________________ Do You Yahoo!? Yahoo! - Official partner of 2002 FIFA World Cup http://fifaworldcup.yahoo.com -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Jack Silvey INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- 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).