49.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.
Answer: D
有关重做日志组的损失中恢复，哪种说法是真的？
D、如果丢失的重做日志组是最新的，你必须恢复，执行基于取消的不完全恢复，并使用RESETLOGS选项打开数据库。
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.
Answer: D
有关重做日志组的损失中恢复，哪种说法是真的？
D、如果丢失的重做日志组是最新的，你必须恢复，执行基于取消的不完全恢复，并使用RESETLOGS选项打开数据库。
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/81227/viewspace-2124421/ ，如需转载，请注明出处，否则将追究法律责任。
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