1.Consider a mail order database in which employees take orders for parts from customers. The data requirements are summarized as follows:
The mail order company has employees identified by a unique employee number, their first and last names, and a zip code where they are located.
The customers of the company are identified by a unique customer number, their first and last names, and a zip code where they are located.
The parts being sold by the company are identified by a unique part number, a part name, their price, and quantity in stock.
Orders placed by customers are taken by employees and are given a unique order number. Each order may contain certain quantities of one or more parts and their received date as well as a shipped date is recorded.
Design an Entity-Relationship diagram for the mail order database