The figure shows representations of the
Customer_objtab object tables. A line representing a reference connects the attribute
Cust_ref of the
Customer_objtab table to the
The figure is a graphical representation of the
PurchaseOrder_objtab statement and the description of the
PurchaseOrder_objtyp type that precede the figure in the text. The figure is also a graphical representation of the
Customer_objtab statement (also shown in Figure A-3).