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Which method would you use to undo the changes made by a particular transaction without affecting the changes made by other transactions?()

发布日期:2020-04-10

Which method would you use to undo the changes mad...
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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