RE: Can Missing Tempfiles be Simply ADDED back after eXtract of FULL Database Backup ?

Hi Greg, Folks



What did you mean by the word "sparse" in your statement "when the file
isn't already present, in order to prevent it from being created sparse
under *nix"



What are the advantages of NOT having a sparse tempfile?



Thanks indeed





________________________________

From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Greg Norris
Sent: Wednesday, October 25, 2006 6:06 PM
To: oracle-l@xxxxxxxxxxxxx
Subject: Re: Can Missing Tempfiles be Simply ADDED back after eXtract of
FULL Database Backup ?



On 10/25/06, VIVEK_SHARMA <VIVEK_SHARMA@xxxxxxxxxxx> wrote:

        Can Missing Tempfiles be Simply ADDED with the SAME NAME after
eXtract of FULL Database Cold Backup?

            ...

        SQL> ALTER TABLESPACE <Temp Tblspc> ADD TEMPFILE '<Temp File
Name>' REUSE;


Yes, this works just fine (last verified under 9iR2).  You only need to
specify REUSE, of course, if the file already exists.

I tend to use the following song-and-dance when the file isn't already
present, in order to prevent it from being created sparse under *nix.
Not strictly required, by any means, but it makes space management (at
the filesystem level) somewhat simpler.

create tablespace temp2
   datafile '/blah/blah/mytempfile.dbf' size ???m
   extent management local uniform size ??m;
drop tablespace temp2;
alter tablespace temp
   add tempfile '/blah/blah/mytempfile.dbf' size ???m reuse;


--
"I'm too sexy for my code." - Awk Sed Fred.



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