ExaminetheRMANcommand：SWITCHDATAFILE’/DISK3/user_data01.dbf’；Whichcommanddoyouneedtoissuebeforeyouissuetheabovecommand，sothatRMANfindsthefileintherestoredlocationof’DISK2/user_data01.dbf’？（）A.RESTORE DATAFILE ’/DISK2/user_data01.dbf’B.RESTORE DATAFILE ’/DISK3/user_data01.dbf’C.SET NEWNAME FOR ’/DISK3/user_data01.dbf’ TO’/DISK2/user_data01.dbf’D.SET NEWNAME FOR ’/DISK2/user_data01.dbf’ TO’/DISK3/user_data01.dbf’

单项选择题

Examine the RMAN command： SWITCH DATAFILE ’/DISK3/user_data01.dbf’； Which command do you need to issue before you issue the above command， so that RMAN finds the file in the restored location of ’DISK2/user_data01.dbf’？（）

A.RESTORE DATAFILE ’/DISK2/user_data01.dbf’
B.RESTORE DATAFILE ’/DISK3/user_data01.dbf’
C.SET NEWNAME FOR ’/DISK3/user_data01.dbf’ TO’/DISK2/user_data01.dbf’
D.SET NEWNAME FOR ’/DISK2/user_data01.dbf’ TO’/DISK3/user_data01.dbf’

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