QUESTION 16
You plan to execute the following command to performa Flashback Database operation in your database:
SQL> FLASHBACK DATABASE TO TIMESTAMP (SYSDATE -5/24);
Which two statements are true about this? (Choose two)
A. The database must have multiplexed redo log files
B. The database must be in the MOUNT state to executethe command
C. The database must be in the NOMOUNT state to execute the command
D. The database must be opened in RESTRICTED mode before this operation
E. The database must be opened with the RESETLOGS option after the flashback operation
Answer: BE
同98题：http://blog.csdn.net/rlhua/article/details/14111683
Explanation/Reference:
Section: Flashback Operations & Configuration