单项选择题
A.A query whose object names change during its execution.
B.A query whose object names are not known until run time.
C.A query whose bind variables values change during execution.
D.A query whose bind variable values are not known until run time.
单项选择题 Youcreateamaster-detailform.Theusersneedtobeabletoexittheformquickly,adheringtodefaulttransactionprocessing,regardlessofthecursorlocation.YoubelieveyoucanachievethisusingaKey-Exittrigger.Whatdoyouneedtodotoimplementthisrequest?（）
单项选择题 Thetelesalesforcerequestedadditionalwaystoterminatetheautomatedpollingquestionnaire.Inadditiontothedefaultfunctionality,youprovideamenuitemandabuttonforthispurpose.Adheringtoefficientcodingpractices,whichPL/SQLcodedoyouuseforthemenuitemandthebutton?（）
单项选择题 Whichbuilt-incopiesvaluesfromalistitemintoarecordgroup?（）