單項(xiàng)選擇題

Which of the following views must you query to identify any corrupt data file blocks that have been detected during backup set creation？（）

A.V$COPY_CORRUPT
B.V$COPY_CORRUPTION
C.V$BACKUP_CORRUPT
D.V$BACKUP_CORRUPTION

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單項(xiàng)選擇題

Which data dictionary views displays the error information related to a data file， when an internal read fails on that file？（）

A.V$DATAFILE
B.V$DATAFILE_HEADER
C.DBA_DATA_FILES
D.V$DBFILE
E.V$DATAFILE_ERRORS

單項(xiàng)選擇題

After a number of days set by the parameter CONTROL_FILE_RECORD_KEEP_TIME， the information in the control file is overwritten by RMAN. What is this parameter’s default value？（）

A.1 day
B.5 days
C.7 days
D.31 days