单选题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
题目
单选题
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.