Oracle 11G OCP 1Z0-053 63

（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

答案：（D）

解析：

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