单项选择题
Which of the following commands cannot be executed when the database open？（）
A.RECOVER DATABASE
B.RECOVER TABLESPACE
C.RECOVER DATAFILE
D.ALTER DATABASE RECOVER DATAFILE
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相关考题
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单项选择题
Whichofthefollowingviewsmustyouquerytoidentifyanycorruptdatafileblocksthathavebeendetectedduringbackupsetcreation？（）
A.V$COPY_CORRUPT
B.V$COPY_CORRUPTION
C.V$BACKUP_CORRUPT
D.V$BACKUP_CORRUPTION -
单项选择题
Whichdatadictionaryviewsdisplaystheerrorinformationrelatedtoadatafile，whenaninternalreadfailsonthatfile？（）
A.V$DATAFILE
B.V$DATAFILE_HEADER
C.DBA_DATA_FILES
D.V$DBFILE
E.V$DATAFILE_ERRORS -
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
