We are a small fast-food business. Our menu features food items that can be ordered by a customer. 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, FOOD ITEM, 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
We are a small fast-food business. Our menu features food items that can be ordered by a customer. 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, FOOD ITEM, 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
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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