An attempt to take the system tablespace offline, while in automated undo
mode, will result in a hologram of Larry appearing and then he slaps you
upside the head. This is followed by the more typical ORA-01597: Cannot
alter system rollback segment online or offline. Just one of those nice new
Oracle9i Release 2 features.
RF
Robert G. Freeman - Oracle OCP
Oracle Database Architect
CSX Midtier Database Administration
Author
Oracle9i RMAN Backup and Recovery (Oracle Press - Oct 2002)
Oracle9i New Features (Oracle Press)
Mastering Oracle8i (Sybex)
Clark Griswold: Eddie, has anyone ever told you that you're bad luck?
Cousin Eddie: Those were my mother's dying words. But I
guess if your body's covered in third degree burns, and
your foot's caught in a bear trap, you tend to start talkin'
crazy.
-----Original Message-----
Sent: Wednesday, July 17, 2002 4:52 PM
To: Multiple recipients of list ORACLE-L
John,
The system rollback segment must be kept online for use by the
kernel calls (recursive sql). I admit that I have never tried taking it
offline in automatic undo mode, so I'm not sure exactly what would happen.
However, my educated guess is that it would not be pretty!
Dan Fink
-----Original Message-----
Sent: Wednesday, July 17, 2002 2:14 PM
To: Multiple recipients of list ORACLE-L
All,
When using automated UNDO in 9iR1, should the system rollback segment
normally be left offline?
TIA,
John P Weatherman
Database Administrator
Replacements Ltd.
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