A ____ type of relationship is rare in the world of databases.

In the following expression, the exclamation point is referred to as a(n) ________. =IIf(IsError([Lastname_First Subreport].[Report]![Total Amount])

A) parameter B) object operator C) bang operator D) object linker

Collections of type List can hold objects of what type?

a) only other lists b) only integers c) objects of any one type d) None of the above