Re: RE: Renaming tablespace by updating SYS.TS$

anyway to flush the dictionary cache without bouncing the database?

i made another post explaining our process. anyone have an alternative approach?
>
> From: Connor McDonald <hamcdc_at_yahoo.co.uk>
> Date: 2003/05/09 Fri PM 12:47:17 EDT
> To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
> Subject: Re: RE: Renaming tablespace by updating SYS.TS$
>
> My main worry is that you've got a dictionary cache.
> Updating TS$ directly could end up with something
> like:
>
> "OLD_TSPACE_NAME" in the cache, and "NEW_TS_NAME" in
> the table.
>
> You could probably get away with it in circumstances
> where you bounce the database to ensure clean cache's
> but ... ugh!
>
> Of more concern, if the practice was in place before
> you got there, it means they had a system where no-one
> got alarmed by this process...That's more of a worry
> than the process itself.
>
> Cheers
> Connor
>
> --- rgaffuri_at_cox.net wrote: > tablespace name needs
> to be unique. So we import a
> > tablespace. Drop the old one. Rename the new one to
> > the name of the old one.
> >
> > Allows us to keep the system in real time. Otherwise
> > we have to take the tablespace offline. This way the
> > user does not notice any downtime. Actually we have
> > tested this against in doubt queries(users do not do
> > DML against these tablespaces) and Oracle appears
> > smart enough to complete the query accurately.
> > >
> > > From: "Deshpande, Kirti"
> > <kirti.deshpande_at_verizon.com>
> > > Date: 2003/05/09 Fri AM 11:21:42 EDT
> > > To: Multiple recipients of list ORACLE-L
> > <ORACLE-L_at_fatcity.com>
> > > Subject: RE: Renaming tablespace by updating
> > SYS.TS$
> > >
> > > How does renaming tablespace makes this process
> > simpler?
> > >
> > > - Kirti
> > >
> > > -----Original Message-----
> > > Sent: Friday, May 09, 2003 9:32 AM
> > > To: Multiple recipients of list ORACLE-L
> > >
> > >
> > > We are doing this to make our transportable
> > tablespace process simpler. We import the
> > transported tablespace. Drop the old one. Rename the
> > new one.
> > >
> > > Anyone else do this? Any pitfuls other than the
> > shock and awe of us touching TS$? I know its not
> > supported.
> > >
> > > For those of you who hate this idea, they've been
> > doing it since before I got here. Just looking for
> > outside opinions on this.
> > >
> > > --
> > > Please see the official ORACLE-L FAQ:
> > http://www.orafaq.net
> > > --
> > > Author: Deshpande, Kirti
> > > INET: kirti.deshpande_at_verizon.com
> > >
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> =====
> Connor McDonald
> web: http://www.oracledba.co.uk
> web: http://www.oaktable.net
> email: connor_mcdonald_at_yahoo.com
>
> "GIVE a man a fish and he will eat for a day. But TEACH him how to fish, and...he will sit in a boat and drink beer all day"
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