单项选择题

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

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热门试题

单项选择题

AfteranumberofdayssetbytheparameterCONTROL_FILE_RECORD_KEEP_TIME，theinformationinthecontrolfileisoverwrittenbyRMAN.Whatisthisparameter’sdefaultvalue？（）

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

单项选择题

WhichofthefollowingstepsisincorrectinthefollowingsequenceofenablingtheARCHIVELOGmodeofadatabase？（）

A.Shut down the database.
B.Set the appropriate parameters in init.ora file.
C.Start the database in NOMOUNT state.
D.Issue the ALTER DATABASE ARCHIVELOG command.
E.Open the database.
F.Take a full closed backup.