A Dezign Data Model is available.
The Draft Business Rules have been defined and are listed below.
A. The Area being Modelled is :- Newsagents. B. The Things of Interest, ('THINGS'), include :- B.1 Customers B.2 Customer Orders B.2 Deliveries B.3 Delivery Agencies B.3 Newsagents B.4 Newsagents Chains C. These THINGS are Related as follows :- C.1 A CUSTOMER can make one or many ORDERS. C.2 A CUSTOMER_ORDER can be associated with one or many CUSTOMER_DELIVERIES. C.3 A NEWSAGENT can have zero, one or many CUSTOMERS. D. Other Characteristics of these THINGS include :- E. Sample Data includes :- To be determined F. Typical Enquiries include :- F.1 How many Customers does a Newsagent have ?
19th. November 2002