RE: RBS problem...

  • From: "Yasin Baskan" <yasbs@xxxxxxxxxxxxxx>
  • To: <onkarnath.tiwary@xxxxxxxxx>, "Sunil Bhola" <oraclebhola@xxxxxxxxx>
  • Date: Thu, 23 Jun 2005 16:11:59 +0300


You can find many notes about rollback segments in Metalink.
Note:62005.1  says that :
"The system rollback segment can only be used for transactions that occur on 
objects inside the system tablespace.  This is done because the main purpose of
the system rollback segment is to handle rollback for DDL transactions - that 
is transactions against the data dictionary tables themselves. "


Your script uses one of the other online rollback segments. You can find which 
one is being used by querying v$transaction.

________________________________________
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On 
Behalf Of Onkar N Tiwary
Sent: Thursday, June 23, 2005 3:57 PM
To: Sunil Bhola
Cc: oracle-l@xxxxxxxxxxxxx
Subject: Re: RBS problem...

hi all,
 
Thanx for the reply and help. But my question is I have a script wherein I am 
specifying a particular RBS to be used and before the execution of the script 
the RBS is dropped. No doubt I  will get the error saying that the specified 
rollback segment does not exist( which I received this morning) and the rest of 
the command were executed successfully. Which RBS was used for the 
transaction(was it SYSTEM) how to check this. My colleague says it wont use 
SYSTEM in any condition but other RBS will be used. Is it true? Why SYSTEM rbs 
can not be used in any situation if he is right. and in what conditions this 
SYSTEM rbs is used?
 


 
On 6/23/05, Sunil Bhola <oraclebhola@xxxxxxxxx> wrote:
Hi Onkar,
 
When you assigned a particular rollback segment to the transaction which is 
actually deleted, Oracle will use the default rollback segment.
 
To assign a rollback segment to a particular transation use either:-
 
DBMS_TRANSACTION.USE_ROLLBACK_SEGMENT(NAME)
 
OR
DBMS_STANDARD.SET_ROLL_SEGS(NAME)
 
Regards,
Sunil Bhola

Onkar N Tiwary <onkarnath.tiwary@xxxxxxxxx> wrote:
hi all,
 
What will happen if i have assigned a particular rollback segment to a 
transactio but actually the RBS has been deleted????

--
Thanks & Regards,
T. Onkar Nath
Ph : +91-9826728111(Cell)
       to_onkar@xxxxxxxxx
       onkarnath.tiwary@xxxxxxxxx
 



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Regards,
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--
Thanks & Regards,
T. Onkar Nath
Ph : +91-9826728111(Cell)
       to_onkar@xxxxxxxxx
       onkarnath.tiwary@xxxxxxxxx



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