system stats (9205) - can they go stale?
- From: "Teehan, Mark" <mark.teehan@xxxxxxxx>
- To: "'oracle-l@xxxxxxxxxxxxx'" <oracle-l@xxxxxxxxxxxxx>
- Date: Thu, 26 May 2005 18:39:56 +0800
Hi all
I have a query on a simple table of a few thousand rows that suddenly takes
minutes instead of < 1 sec; and it is only slow when called from a procedure.
One suspicion is that the system stats are stale; I know queries on this DB
used to drag without the system stats.
Is there any way to tell if the optimizer has suddenly decided that it doesnt
like the contents of sys.aux_stat$ any more?
Rgds
Mark
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