RE: ALTER ROLLBACK SEGMENT rbs SHRINK

From: Deshpande, Kirti <kirti.deshpande_at_verizon.com>
Date: Wed, 30 Jan 2002 09:39:24 -0800
Message-ID: <F001.00400A5F.20020130090607@fatcity.com>

Here is the confirmation of what Sandeep posted: SQL> select a.usn, b.name, a.optsize

   2 from v$rollstat a, v$rollname b
   3 where a.usn = b.usn;  

        USN NAME                              OPTSIZE
 ---------- ------------------------------ ----------
          0 SYSTEM
          1 RBS01                           419430400
          2 RBS02                           419430400
 

 SQL> alter rollback segment rbs01 shrink to 10M;  

 Rollback segment altered. <<<---- No error. Think it did it? Look below :(  

 SQL> select a.usn, b.name, a.optsize
   2 from v$rollstat a, v$rollname b
   3 where a.usn = b.usn;  

        USN NAME                              OPTSIZE
 ---------- ------------------------------ ----------
          0 SYSTEM
          1 RBS01                           419430400
          2 RBS02                           419430400
 

SQL>

• Kirti

-----Original Message-----
Sent: Wednesday, January 30, 2002 1:50 AM To: Multiple recipients of list ORACLE-L

I don't think - it will work. You won't get any error as well as it won't shrink.

Any other inputs from others???

Rgds,

-----Original Message-----
Sent: Wednesday, January 30, 2002 9:55 AM To: Multiple recipients of list ORACLE-L

Hi,

Assume

        INITIAL * MINEXTENT = 2M and also = OPTIMAL

Do you think

        ALTER ROLLBACK SEGMENT rbs SHRINK TO 1M;

will work ?

Thanks,

Sinardy
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Author: Deshpande, Kirti
  INET: kirti.deshpande_at_verizon.com

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