Kevin !
PRivate Rollback segments are coming in to picture
if you use Parallel Server (or Real APplication CLusters ??).
Basically it is assigned to a particular instance in case
of OPS and the other instance can NOT acquire that rollback
segments.
But the other instance Can READ from that rollback segments,
and this the transactiions, transactions_per_rollback_segments
parameters have no control over the pRIVATE Rollback segments
Hope this helps
Best Regards,
K Gopalakrishnan
Bangalore, INDIA
-----Original Message-----
Kostyszyn
Sent: Wednesday, May 09, 2001 8:51 PM
To: Multiple recipients of list ORACLE-L
Hi all,
This brings me to a stupid question then. What is the true difference
between a public and a private rollback segment? Because if I just think
about it like a normal human being I would think that if a user made a
Private rollback segment then only that user could use it, but of course I
know that can't be the case.
Kev
-----Original Message-----
Sent: Wednesday, May 09, 2001 10:26 AM
To: Multiple recipients of list ORACLE-L
Nixon,
While SET TRANSACTION can be used to assign a rollback
segment to a transaction, it cannot be assigned exclusively to
that transaction as you have found.
The ability to assign a rollback segment to a transaction and
make it read-only for all others is something I've wanted myself
for many years, and I know it's been on the official 'wish list' of
requested changes by IOUG for some time.
Maybe 9i? Anyone know?
Jared
On Wednesday 09 May 2001 01:40, [EMAIL PROTECTED] wrote:
> Hi All,
>
> Here is my environment;
>
> NT v4
> Db Oracle Workgroup v8.1.6
>
> Rollback Segments
> SEGMENT_NAME OWNER TABLESPACE_NAME
> ------------------------------ ------ ------------------------------
> SYSTEM SYS SYSTEM
> RBS0 PUBLIC RBS
> RBS_P1 SYS RBS
> RBS_P2 SYS RBS
> RBS_P3 SYS RBS
> RBS_P4 SYS RBS
> RBS_P5 SYS RBS
>
>
> Is it possible to assign one public rollback segment explicitly to one
> particular transaction? I tried using SET TRANSACTION USE ROLLBACK SEGMENT
> but other users I found out can still use it. So, I guess the best
> alternative is to set that RB segment to OFFLINE after using and set
ONLINE
> before executing the SET TRANSACTION ... Do you know how it can be done
> inside Forms?
>
> Thanks in advance!
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