Yes, I assumed that that is the reason the plan changed, I'm just trying to figure out the best way to change it back since it's taking much longer now.
Thanks,
Jay Miller
Sr. Oracle DBA
x68355
-- --Original Message-- -- From: Jared Still [mailto:jkstill@(protected)] Sent: Friday, May 26, 2006 5:34 PM To: Miller, Jay Cc: oracle-l@(protected) Subject: Re: Export - can I use a hint or set a session level value?
Some possibilities come to mind.
*) your data has changed significantly, and statistics are stale
*) your data has not changed, but statistics were run incorrectly and confused the optimizer
*) your data has changed, statistics are current, but the data is now skewed and the index is no longer optimal