Redo log files are not multiplexed in your database. Redo log blocks are corrupted in group 2, and
archiving has stopped. All the redo logs are filled and database activity is halted. Database writer
has written everything to disk. Which command would you execute to proceed further?
ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 2;
RECOVER LOGFILE BLOCK GROUP 2;
ALTER DATABASE CLEAR LOGFILE GROUP 2;
ALTER DATABASE DROP LOGFILE GROUP 2;
ALTER DATABASE RECOVER LOGFILE GROUP 2;