题目内容

You are using the following command to clear the log file group: ALTER DATABASE CLEAR LOFFILE GROUP 2; In which case would the command be successful?()

A. Group 2 is the active group.
B. Group 2 is the current group.
C. Database is in the MOUNT state.
D. Group 2 has been already archived.

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“()”是流行于湘西土家族各县的清锣鼓形式,多用于民间的节庆喜事,由马锣、大锣、头钹、二钹四件乐器组成,偶尔也加用唢呐。

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