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 file

题目

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
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参考答案和解析
正确答案:B,E
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