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单选题
You need to maintain a record of all transactions on some tables for at least three years. Automatic undo management is enabled for the database. What must you do accomplish this task?()
A

 Enable supplemental logging for the database.

B

 Specify undo retention guarantee for the database

C

 Create Flashback Data Archive in the tablespace where the tables are stored.

D

 Create Flashback Data Archive and enable Flashback Data Archive for specific tables


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