Modern Database Management (12th Edition)
Modern Database Management (12th Edition)
12th Edition
ISBN: 9780133544619
Author: Jeffrey A. Hoffer, Ramesh Venkataraman, Heikki Topi
Publisher: PEARSON
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Chapter 4, Problem 4.44PAE
Program Plan Intro

Creating relations from EER Diagram.

Program Plan Intro

Functional dependency of each relation.

Program Plan Intro

Convert relations into 3NF

Program Plan Intro

An integrity constraint that would ensure that no property is rented twice during the same time interval.

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1. The BOOK CHECKOUT relation stores data about books checked out by students at a university. The functional dependencies are given below for this relation. a. Which normal form is this relation in and why? b. Using the normalization steps develop a set of 3NF relations for this view. Describe the relational schema for the 3NF relations that you developed. Be sure to list the referential integrity constraints BOOK CHECKOUT (StudentID, StudentName, StudentPhoneNumer, ISBN, BookTitie, CheckOutDate, ReturnDate) StudentID > StudentName, StudentPhoneNumer ISBN -> BookTitle StudentiD, ISBN ->CheckOutDate, ReturnDate
QUESTION 1 Create relational schemas for the ER diagram given below. Indicate clearly the primary and foreign keys of each relation. Туре Address NoPersons Area No No 1 M House Has Room
Using the invoice table stucture do the following:a.Write the relational schema ,draw its dependency diagram,and identy all dependencies,including all partial and transitive dependencies.You can assume that the table does not contain repeating groups and that an invoice number references more than one product.b.Remove all partial dependencies,write the relational schema,and draw the new dependency diagrams.Identify the normal forms for each table structure you created.c.Remove all transitive dependencies,write the relational schema,and draw the new dependency diagrams.Also identify the normal forms for each table structure you created.d.Draw the Crow's Foot ERD.

Chapter 4 Solutions

Modern Database Management (12th Edition)

Ch. 4 - Prob. 4.11RQCh. 4 - Describe how the following components of an E-R...Ch. 4 - Prob. 4.13RQCh. 4 - Prob. 4.14RQCh. 4 - Briefly describe four typical problems that often...Ch. 4 - Prob. 4.16RQCh. 4 - Explain how each of the following types of...Ch. 4 - Prob. 4.18RQCh. 4 - Prob. 4.19RQCh. 4 - Prob. 4.20RQCh. 4 - Prob. 4.21RQCh. 4 - What is the relationship between the primary key...Ch. 4 - Prob. 4.23RQCh. 4 - Explain what can be done with primary keys to...Ch. 4 - Prob. 4.25RQCh. 4 - Explain three conditions that suggest a surrogate...Ch. 4 - Prob. 4.27RQCh. 4 - For each of the following E-R diagrams from...Ch. 4 - Prob. 4.29PAECh. 4 - Prob. 4.30PAECh. 4 - For your answers to the following Problems and...Ch. 4 - Figure 4-3212 shows a class list for Millennium...Ch. 4 - Prob. 4.33PAECh. 4 - Prob. 4.34PAECh. 4 - Prob. 4.35PAECh. 4 - Prob. 4.36PAECh. 4 - Prob. 4.37PAECh. 4 - Prob. 4.38PAECh. 4 - For your answers to the following Problems and...Ch. 4 - Transform Figure 2-15a, attribute version, to 3NF...Ch. 4 - Prob. 4.41PAECh. 4 - Prob. 4.42PAECh. 4 - Prob. 4.43PAECh. 4 - Prob. 4.44PAECh. 4 - For your answers to Problem and Exercise 3-33 from...Ch. 4 - Prob. 4.46PAECh. 4 - Prob. 4.47PAECh. 4 - Figure 4-38 includes an EER diagram for a...Ch. 4 - Prob. 4.49PAECh. 4 - Prob. 4.50PAECh. 4 - Prob. 4.51PAECh. 4 - Prob. 4.52PAECh. 4 - Figure 4-40 shows an EER diagram for a university...Ch. 4 - Explore the data included in Table 4-9. Assume...Ch. 4 - Prob. 4.55PAECh. 4 - Prob. 4.56PAECh. 4 - Prob. 4.57PAECh. 4 - Prob. 4.58PAE
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