Oracle OCP 1Z0 053 Q63(flashback_transaction_query)

63.Which method would you use to undo the changes made by a particular transaction without affecting
the changes made by other transactions?
A. point-in-time recovery
B. execute the ROLLBACK command with transaction number
C. flashback the database to before the transaction was committed
D. determine all the necessary undo SQL statements from FLASHBACK_TRANSACTION_QUERY and
use them for recovery
Answer: D

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