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You must track all transactions that modify certain tables in the sales schema for at least three years. Automatic undo management is enabled for the database with a retention of one day. Which two must you do to track the transactions?（）
A:Enable supplemental logging for the database.
B:Specify undo retention guarantee for the database.
C:Create a Flashback Data Archive in the tablespace where the tables are stored.
D:Create a Flashback Data Archive in any suitable tablespace.
E:Enable Flashback Data Archiving for the tables that require tracking

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出自：Oracle认证

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