Which statement about recovering from the loss of a redo log group is true？（） <br>A: If the lost redo log group is ACTIVE， you should first attempt to clear the log file.<br>B: If the lost redo log group is CURRENT， you must clear the log file.<br>C: If the lost redo log group is ACTIVE， you must restore，perform cancel-based incomplete recovery，and open the database using the RESETLOGS option.<br>D: If the lost redo log group is CURRENT， you must restore，perform cancel-based incomplete recovery，and open the database using the RESETLOGS option.

Which statement about recovering from the loss of a redo log group is true？（）
A: If the lost redo log group is ACTIVE， you should first attempt to clear the log file.
B: If the lost redo log group is CURRENT， you must clear the log file.
C: If the lost redo log group is ACTIVE， you must restore，perform cancel-based incomplete recovery，and open the database using the RESETLOGS option.
D: If the lost redo log group is CURRENT， you must restore，perform cancel-based incomplete recovery，and open the database using the RESETLOGS option.

出自：Oracle认证

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