单选题

If a log file becomes corrupted, it may cause the database to stall. How would you correct such a situation?()  

A Recover the online redo log from backup.

B Delete and re-create the log file.

C Use the alter database clear logfile command to clear the log file.

D Shut down the database and restart it.

E Shut down the database and then mount it. Clear the log file with the alter database clear logfile command and then restart the database with alter database open resetlogs.

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