Wednesday, November 19, 2008



ORA-01552: cannot use system rollback segment for non-system tablespace 'USERDATA'


Tried to use the system rollback segment for operations involving non-system tablespace. If your DB is a clone database then this will happen when you attempting any data modification outside of the system tablespace. Only the system rollback segment can be online in a clone database.


Create one or more private/public segment(s), shutdown and then startup your DB again. May need to modify the INIT.ORA parameter rollback_segments to acquire private rollback segment. If this is a clone database being used for tablspace point in time recovery then this operation is not allowed. If the non-system tablespace has AUTO segment space management, then create an undo tablespace and make it the default undo tablespace of your DB.
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