I wondered about pga_aggregate_target as well? My impression was that if you set the new parameters and the old ones the new ones took precedence (ie sas etc were ignored). I haven 't tested this.
> -- --Original Message-- --
> From: breitliw@(protected)
> Sent: 02 March 2004 05:12
> To: breitliw@(protected); oracle-l@(protected)
> Subject: Re: query slow in 9i, but not slow in 8i
>
>
> 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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