Giventhescriptcreatescriptdb_backup_datafile_script{backupdatafileand1,and2plusa
2021-05-06
A.ThescriptwillfailsinceyouinstructedRMANtobackuponlyonedatafileratherthantwo
B.Thescriptwillsuccessfullybackupdatafile3withouterror
C.Thescriptwillfailsinceitusesasubstitutionvariablewhichisnotsupported
D.Theexecutescriptcommandwillpromptforthevalueofand2sinceit’snotincludedinthecommand
E.Thescriptwillfailbecauseyoucannotusetheplusarchivelogcommandwhenbackingup
正确答案：参考D
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