query slow in 9i, but not slow in 8i 2004-03-02 - By Wolfgang Breitling
At 09:44 PM 3/1/2004, you wrote:
[...]
>It did not seem to help.
What did not seem to help? I am questioning if not having
workarea_size_policy=auto is overriding the setting of sort_area_size and
hash_area_size. If that is so, then your exercise didn 't prove or disprove
anything.
>On Mon, 1 Mar 2004, Wolfgang Breitling wrote:
>
> > >NAME
> > >-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------
> > >VALUE
> > >-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---
> -- ------
> > >workarea_size_policy
> > >AUTO
> > >
> > >Would this value have some effect on my query?
> >
> > It could. What is the pga_aggregate_target? I couldn 't quickly find what
> > overrides what:
> > Does setting sort_area_size or hash_area_size override
> > workare_size_policy=auto or vice versa?
> > Does anyone know? (Rhetorical question - someone 'll know). I lean towards
> > the former.
> >
> > Run a 10053 event trace when explaining the sql - both in 8i and in 9i. It
> > may be too big to post. You can e-mail it to me.
> >
Wolfgang Breitling
Oracle7, 8, 8i, 9i OCP DBA
Centrex Consulting Corporation
http://www.centrexcc.com
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