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單項(xiàng)選擇題

Where do you find information about a missing redo log file？（）

A.trace file
B.audit trail
C.control file
D.alert log file
E.event viewer

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單項(xiàng)選擇題

Your database is in the NOARCHIVELOG mode. Since last night’s offline backup， the logs in group 1 have been written to twice. This morning， the SYSTEM data file has become corrupted. Up to what point can it be recovered？（）

A.until the last commit
B.cannot be recovered
C.until the last offline backup
D.until the beginning of the last transaction

單項(xiàng)選擇題

You have two databases， FINDB and PAYDB， on single operating system and using Optimal Flexible architecture （OFA）. FINDB is functional and is currently being accessed by the users. While starting up the instance for the PAYDB database you get the following error： ORA-01081： cannot start - already running ORACLE - shut it down first Which environmental variable would you set before starting up the PAYDB database to overcome this error？（）

A.ORA_PATH
B.ORACLE_SID
C.ORACLE_BASE
D.ORACLE_HOME
E.LD_LIBRARY_PATH