多选题
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?（）
发布日期：2022-06-09
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
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