Wally Los Gatos, owner of Wallys Wonderful World of Wall coverings, has hired you as a consultant to design a database management system for his chain of three stores that sell wallpaper and accessories. He would like to track sales, customers, and employees. After an initial meeting with Wally, you have developed a list of business rules and specifications: Customers place orders through a branch. Wally would like to track the following about customers: Name, Address, City, State, Zip Code, Telephone, Date of Birth, and Primary Language. A customer may place many orders. A customer does not always have to order through the same branch all the time. Customers may have one or more accounts, although they may also have no accounts. The following information...