单选题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
单选题
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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