use "alter rolback segment <name> storage (maxextents <value>));"

you should not use system rollback for application work. Read doco on how to create 
non-system rollback segments.

Long

-----Original Message-----
Sent: Wednesday, 28 August 2002 8:43 PM
To: Multiple recipients of list ORACLE-L


Jonny Delmont wrote:
> 
> Dear Gurus,
> 
> Could you please help me out with this - I want to increase the
> maxextents of below segment.
> 
> TIA,
> 
> SQL> select OWNER,SEGMENT_NAME,SEGMENT_TYPE,EXTENTS,MAX_EXTENTS
>   2  from dba_segments
>   3  where ((max_extents-extents)/max_extents)*100 <40 and max_extents
> != 0
>   4  /
> 
> OWNER  SEGMENT_NAME    SEGMENT_TYPE          EXTENTS MAX_EXTENTS
> ------ --------------- ------------------ ---------- -----------
> SYS    SYSTEM          ROLLBACK                  505         505
> 
> SQL> connect sys
> Enter password:
> Connected.
> SQL> alter ROLLBACK sys.system storage (maxextents 1024);
> alter ROLLBACK sys.system storage (maxextents 1024)
>                *
> ERROR at line 1:
> ORA-01902: SEGMENT keyword expected
> 
> TIA
> 
> Jonny
> 

a) RTF "SQL Reference" M.
b) RTF "Concepts" M. Your SYSTEM rollback segments should not be big.

In fact, I think that you should do b) before a).

-- 
Regards,

Stephane Faroult
Oriole Software
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-- 
Author: Stephane Faroult
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