单项选择题
A.Item Roles.
B.Menu Item Roles.
C.Display without Privilege.
D.Use Security.
E.Command Type.
单项选择题 Youwanttoimplementamaster-detailrelationbetweendatablocksbasedonobjecttables.Howwouldyoudothis?（）
单项选择题 AsalesanalystreviewsthefirstdraftonyourSalesapplication,andrequeststhattheapplicationgraphicallyrepresentrevenuegeneratedforeachsalesrepresentative,inadditiontothetextualdatacurrentlydisplayedfortheORDERblock.Howwouldyouincorporatethisgraphicinyourform?（）
单项选择题 Youarebuildingtwoforms.Eachformhasabuttonandanon-basetablefield.Whenthebuttonispressed,acomplicatedcalculationisexecuted.Thecalculationisthesameforbothforms.The calculationcodedoesnotqueryorchangethedatainthedatabase.Whenthecalculationcompletes,itreturnsasinglevaluetothenon-basetablefield.Tooptimizeperformanceandmaintainability,whichPL/SQLstructureshouldbeused?（）