A.ThescriptwillfailsinceyouinstructedRMANtobackuponlyonedatafileratherthantwo
B.Thescriptwillsuccessfullybackupdatafile3withouterror
C.Thescriptwillfailsinceitusesasubstitutionvariablewhichisnotsupported
D.Theexecutescriptcommandwillpromptforthevalueofand2sinceit’snotincludedinthecommand
E.Thescriptwillfailbecauseyoucannotusetheplusarchivelogcommandwhenbackingup
正确答案:参考D



