You work as a database administrator for Certkiller .com. 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？（）
- ARECOVER LOFIEL BLOCK GROUP 2；
- BALTER DATABASE DROP LOGFILE GROUP 2；
- CALTER DATABASE CLEAR LOGFILE GROUP 2；
- DALTER DATABASE RECOVER LOGFILE GROUP 2；
- EALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 2；