---

You plan to execute the following command to perform a Flashback Database operation in your database：   SQL> FLASHBACK DATABASE TO TIMESTAMP （SYSDATE -5/24）；   Which two statements are true about this？（）
A: The database must have multiplexed redo log files
B: The database must be in the MOUNT state to execute the 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

---

出自：Oracle认证

显示答案