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多項選擇題

You executed the following FLASHBACK TABLE command： FLASHBACK TABLE emp TO TIMESTAMP （’11：45’，’hh12：mi’）； Which two statements are correct？ （）

A. The FLASHBACK TABLE statement will not be written to the alert log file.
B. The EMP table that was dropped by mistake from the database will be restored.
C. The changes made to the EMP table since the specified time will be undone.
D. The FLASHBACK TABLE statement will not maintain the existing indexes on the EMP table.
E. The FLASHBACK TABLE statement will be executed within a single transaction.
F. The list of transactions that have modified the EMP table since the specified time will be displayed.

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