1Z0-040 practice - PrepKeys

Q1 Single choice

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
manually enter the appropriate data again
C
execute the ROLLBACK command with transaction number
D
flashback the database to before the transaction was committed
E
determine all the necessary undo SQL statements from FLASHBACK_TRANSACTION_QUERY and use them for recovery