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