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
正确答案:B,E
答案解析:有
微信扫一扫手机做题