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 recoveryB、execute the ROLLBACK command with transaction numberC、flashback the database to before the transaction was committedD、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
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