Which three operations require undo data?

Which three operations require undo data? (Choose three.)

Which three operations require undo data? (Choose three.)

A.
Committing a transaction

B.
Flashing back a transaction

C.
Recovering a failed transaction

D.
Running a read-consistent query

E.
Changing atablespace status from READ ONLY to READ WRITE



Leave a Reply 1

Your email address will not be published. Required fields are marked *