DBA

1. Provide five reasons for creating a conceptual data model. Take into account regulations and laws governing this industry 1. 2. 3. 4. 5.

3. Read the business scenario of a fast-food restaurant below: We are a small Chinese food restaurant. Our menu features food items that can be ordered by a customer to dine in or take out. A customer places an order at the counter and indicates what food items he/she would like on that order. Lately we've noticed that we have some regular customers, so we started asking them for information -- such as name and address, so we can mail them coupons when we have specials. a. Using the restaurant entities ORDER, MENU, AND CUSTOMER -- identify the attributes for each entity b. Where possible, indicate whether the attribute is mandatory or optional c. Where possible, pick out the UIDs for each entity