yes I did notice that in the docs (oh my goodness, the docs were CLEAR?
<G>)
I think, based on what Ian has said, that I will manage the space
myself. I know that updates will be rare, under 5% of the time. I know
that deletes will not happen, unless I am pruning partitions, so that
will not be affected by PCTFREE/PCTUSED values. I know that the data
load will be once daily, a single process (for the time being), with no
other users on the system. So I should be able to figure this out :)
Rachel
- Tim Gorman <Tim_at_SageLogix.com> wrote:
> One note: 9i automatic segment space management does not automate
> PCTFREE;
> that still functions as before. It does cause PCTUSED, FREELISTS,
> and
> FREELIST GROUPS to be ignored, however...
>
> ----- Original Message -----
> To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com>
> Sent: Tuesday, September 03, 2002 9:48 AM
>
>
> > time for me to ask the experts again.
> >
> > My data warehouse will be 9.2, with all locally managed
> tablespaces. We
> > will be following what I have taken to calling the "Goldilocks"
> > principle -- that of small, medium and large tablespace extent
> sizes,
> > with variations in that we will separate indexes and data, and will
> > have even more separation for our fact tables into partitioned
> tables
> > and tablespaces.
> >
> > However, now comes the time for me to work out storage clauses. And
> a
> > quick read through the docs leaves me wondering if I should just
> turn
> > on automatic segment-space management and not worry about setting
> > PCTFREE, PCTUSED and FREELIST parameters. I can't find any real
> > information or bugs on MetaLink either.
> >
> > Does anyone have any experience, good OR bad, with using this
> feature?
> > If you are doing data warehouse work, what are good values for the
> > parameters if I DO use them? One fact table is likely to be highly
> > updated (customer info) as we collect more and more specific
> > information from customers. The rest will be, as you would expect
> from
> > a DW, mostly inserts.
> >
> > Help?
> >
> > Thanks!
> >
> > Rachel
> >
> > __________________________________________________
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> > --
> > Please see the official ORACLE-L FAQ: http://www.orafaq.com
> > --
> > Author: Rachel Carmichael
> > INET: wisernet100_at_yahoo.com
> >
> > Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> > San Diego, California -- Public Internet access / Mailing
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> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Tim Gorman
> INET: Tim_at_SageLogix.com
>
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Do You Yahoo!?
Yahoo! Finance - Get real-time stock quotes
http://finance.yahoo.com
--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: Rachel Carmichael
INET: wisernet100_at_yahoo.com
Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
San Diego, California -- Public Internet access / Mailing Lists
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Received on Wed Sep 04 2002 - 06:13:26 CDT
