Re: Copying stats between/amongst schemas

slight correction: c5 contains the schema name. c1 contains the object name. So you would want to

   update <stattab> set c5 = upper('newschemaname'); befor importing the stats into the new schema. I do it all the time.

Beware though if there are differences between the schemas. It's OK if a table in the new schema has columns that the old schema does not have. That columns just would not have statistics after the import. If a table in old schema, however, has more columns, and therefore the exported statistics, than the table in the new schema, the import errors out. You will need to delete the rows for the superfluous columns from the stattab table before being able to import.

At 06:34 PM 12/2/2003, you wrote:
>Hi
> You are right , but there is documented method to overcome this
> shortcoming.
> You can update stats(table created for statistics) set
> c1='NEWSCHEMANAME' and then do your update.
> It is ok.
>
>regards
>zhu chao
>
>----- Original Message -----
>To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com>
>Sent: Wednesday, December 03, 2003 7:39 AM
>
>
> > I see the schema import/export procedures in the package but they just
> import/export the stats for a particular schema into or out of the
> dictionary. There's no procedure to copy stats from one schema to another
> within the dictionary... At least that's my understanding from reading
> the docs.
> >
> >
> > -----Original Message-----
> > Sent: Tuesday, December 02, 2003 4:24 PM
> > To: Multiple recipients of list ORACLE-L
> >
> >
> > dbms_stats is the only sanctioned way to do it.
> >
> > Orr, Steve wrote:
> >
> > > 1 database instance, 2 nearly identical schemas. What's the best
> > > sanctioned way to copy stats, (including histograms), from one schema
> > > to another?
> >
> >
> > --
> > Please see the official ORACLE-L FAQ: http://www.orafaq.net
> > --
> > Author: =?ISO-8859-1?Q?Mogens_N=F8rgaard?=
> > INET: mln_at_miracleas.dk
> >
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>--
>Please see the official ORACLE-L FAQ: http://www.orafaq.net
>--
>Author: zhu chao
> INET: chao_ping_at_vip.163.com
>
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Wolfgang Breitling
Oracle7, 8, 8i, 9i OCP DBA
Centrex Consulting Corporation
http://www.centrexcc.com

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