RE: OLTP help
- From: "Allen, Brandon" <Brandon.Allen@xxxxxxxxxxx>
- To: <Dave.Herring@xxxxxxxxxx>, "oracle-l" <oracle-l@xxxxxxxxxxxxx>
- Date: Fri, 18 Aug 2006 09:34:28 -0700
Hi Dave,
I've never been a fan of multiple sized tablespaces because of the
complication & segregation it introduces to your buffer cache. I would
recommend just looking at the top queries on the table and if they are
consistent (e.g. not 1-time queries), then tweak them or add indexes, or
hints, stored outlines, etc. in order to optimize them. How can the PK
not have an associated index? I didn't know such a thing could exist.
From the 9i doc
(http://download-west.oracle.com/docs/cd/B10501_01/appdev.920/a96590/adg
05itg.htm):
"All enabled unique and primary keys require corresponding indexes"
Regards,
Brandon
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