DBA's,
If I am right (and according to Oracle CBT's) a deferred rollback segment is created if a user rolls back a transaction which has made changes to data in an offline tablespace.
How is this possible? How can a user make changes to data in an offline tablespace. Oracle says that when the TS is broght back online the RB entries are used to rollback the data in the TS.
Confused?
Nizar
