RE: What is the point to use "alter database rename file" command

From: Mercadante, Thomas F <NDATFM_at_labor.state.ny.us>
Date: Tue, 09 Jul 2002 07:53:25 -0800
Message-ID: <F001.00492583.20020709075325@fatcity.com>

Jalil,  

To do this, do the following:  

Shutdown the database
Move the data file to the new location
Startup Mount
Issue the "Alter database" commands
Alter database open.  

Works like a charm.  

Listen, if you are comfortable re-building your control files, then go ahead and do it.  

I'm not sure what effect it has if you are running in archivelog mode - are your archived redo logs available for a restore? My guess is not - that your SCN restarts at "1" again.  

Sooo, whenever you do this, be sure and perform a full backup!  

hope this helps.

Tom Mercadante
Oracle Certified Professional

-----Original Message-----
Sent: Tuesday, July 09, 2002 10:38 AM
To: Multiple recipients of list ORACLE-L

Well, I have recieved a server and found some datafiles are reside in System tablespace - in this case to move those datafile we can not put system tablespace offline therefore can not use alter command...

Regards,
-Jalil

  Rachel Carmichael <wisernet100_at_yahoo.com> wrote:

well, I can think of one off the top of my head -- your way the database has to be shutdown.

using alter database rename file you can just take the tablespace that owns that datafile offline and do the work. All users who don't need that particular tablespace are not affected.

• Jalil Zabourdine wrote:
  >
  > Hi list,
  > What is the point to use "alter database rename file"
  > command to move datafile? as we will need to update
  > controle file anyway. So why not do the following directly
  > to move datafile:
  > - alter database backup contrlfile to trace and modify
  > the location of datafile.
  > - startup nomount and run the script inorder to update
  > the controlfile. It works fine...
  >
  > So what is the point of "alter database rename file" command?
  >
  > Thanks i! ! n advance.
  > Regards,
  > -Jalil
  >
  >
  >
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Author: Mercadante, Thomas F
  INET: NDATFM_at_labor.state.ny.us

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Received on Tue Jul 09 2002 - 10:53:25 CDT