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

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

出自：Oracle认证

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