多项选择题
A.BFILE
B.REF column
C.Object table
D.Column object
E.INSTEAD-OF trigger
单项选择题 YouneedtocreateadatablockforDMLoperationsintheNEW_EMPLOYEEformmodule.Whichdatasourcecanyouuseforthisblock?（）
单项选择题 YouincludethecalendarclassinyourHotelBookingapplication.Whichadditionalformlevelobjectswillyouneedtocreatetoimplementthisreusablecomponentfully?（）
单项选择题 Youestablishedaccesstomenumodulesusingroles.Whiletestingtheapplication,youneedaccesstoallthemenusintheSALESformmoduleforalltheroles.WhichmethodwilloverridetheMenuModuleRolespropertytoallowyoutoaccessallthemenuitems?（）