4-28. For each of the following E-R diagrams from Chapter 2: I.Transform the diagram to a relational schema that shows referentialintegrity constraints (see Figure 4-5 for an example of such aschem CUSTOMER \begin{tabular}{|l|l|l|l|l|l|} \hline CustomerlD & CustomerName & CustomerAddress & CustomerCity & CustomerState & CustomerPostalCode \\ \hline \end{tabular} ORDER ORDER LINE \begin{tabular}{ 1 answer