Fundamentals of Information Systems
Fundamentals of Information Systems
8th Edition
ISBN: 9781305082168
Author: Ralph Stair, George Reynolds
Publisher: Cengage Learning
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Chapter 2, Problem 1DQ
Program Plan Intro

Role of a business manager in helping to determine the computer hardware to be used by the organization.

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Given the dependency diagram of attributes C1,C2,C3,C4,C5 in a table shown in the following figure, the primary key attributes are underlined   Make a database with multiple tables from attributes as shown above that are in 3NF, showing PK, non-key attributes, and FK for each table? Assume the tables are already in 1NF. Hint: 3 tables will result after deducing 1NF -> 2NF -> 3NF
Consider the ER diagram of online sales system above. Based on the diagram answer the questions below, 1.  Based on the ER Diagram, determine the Foreign Key in the Product Table. Just mention the name of the attribute that could be the Foreign Key 2.  Is there a direct relationship that exists between Store and Customer entities? AnswerYes/No?
Consider the ER diagram of online sales system above. Based on the diagram answer thequestions below,   1.  Mention the relationship between the Order and Customer Entities. You can use the following:  1:1, 1:M, M:1, 0:1, 1:0, M:0, 0:M 2.  Which one of the 4 Entities mention in the diagram can have a recursive relationship? 3.  If a new entity Order_Details is introduced, will it be a strong entity or weak entity? If it is a weak entity, then mention its type (ID or Non-ID, also Justify why)?   NO AI use pencil and paper

Chapter 2 Solutions

Fundamentals of Information Systems

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