RE: Is is safe to drop an empty tablespace?
- From: genegurevich@xxxxxxxxxxxx
- To: "Mark W. Farnham" <mwf@xxxxxxxx>
- Date: Thu, 27 Mar 2008 16:37:53 -0500
Mark,
Thank you.
To my knowledge, no process is specifically creating tables in this
tablespace. And no user has this tablespace
identified as a default. So I think I am covered here. I don't intend
flashback to work and we don't have clusters
in this database
Gene Gurevich
"Mark W. Farnham"
<mwf@xxxxxxxx>
To
03/27/2008 02:33 <genegurevich@xxxxxxxxxxxx>,
PM <oracle-l@xxxxxxxxxxxxx>
cc
Subject
RE: Is is safe to drop an empty
tablespace?
One slight gotcha is whether any prior existing object is within the
flashback guaranteed.
Presumably you intend to drop the tablespace AND whack the files to get
back
space.
I haven't tried that, but I think you *might* be able to make such a query
fail.
Still, if you don't intend that to work for folks (which seems likely) you
should be okay.
Oh - check clusters too, but folks don't use them much anymore except for
the single table cluster trick(s), 'cause maintenance like the purging part
of archiving and purging is a pain for clusters.
Of course you can't tell from the database alone whether any batch
processes
use permanent tables in that tablespace on the fly and then clean up after
themselves. You would discover any such process next time it ran after you
whacked the tablespace. If it is not re-runnable that might be a problem.
Regards,
mwf
-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx]
On Behalf Of genegurevich@xxxxxxxxxxxx
Sent: Thursday, March 27, 2008 9:48 AM
To: oracle-l@xxxxxxxxxxxxx
Subject: Is is safe to drop an empty tablespace?
Hi Everybody:
I am planning to drop an empty tablespace. I have confirmed that no user
has it defined as a default
(select distinct default_tablespace from dba_users), and no table/index has
it defined as default
(select distinct def_tablespace_name from dba_part_tables/indexes). IS
there any other place
I should check to confirm that noone has this tablespace defined as default
for any purposes?
thank you
Gene Gurevich
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