Test Bank For Modern Database Management 12th Edition By Hoffer

Test Bank For Modern Database Management 12th Edition By Hoffer

Chapter 2 Modeling Data in the Organization

1) Data modeling may be the most important part of the systems development process because:

A) data characteristics are important in the design of programs and other systems components.

B) the data in a system are generally less complex than processes and play a central role in development.

C) data are less stable than processes.

D) it is the easiest.

Answer: A

Diff: 1 Page Ref: 56

Topic: Introduction

AACSB: Analytic Skills, Use of Information Technology

2) The logical representation of an organization’s data is called a(n):

A) database model.

B) entity-relationship model.

C) relationship systems design.

D) database entity diagram.

Answer: B

Diff: 1 Page Ref: 57

Topic: The E-R Model: An Overview

AACSB: Use of Information Technology

3) The common types of entities are:

A) strong entities.

B) weak entities.

C) associative entities.

D) all of the above.

Answer: D

Diff: 2 Page Ref: 57

Topic: Introduction

AACSB: Use of Information Technology

4) In an E-R diagram, there are ________ business rule(s) for every relationship.

A) two

B) three

C) one

D) none

Answer: A

Diff: 2 Page Ref: 59

Topic: The E-R Model: An Overview

AACSB: Use of Information Technology

5) Business policies and rules govern all of the following EXCEPT:

A) managing employees.

B) creating data.

C) updating data.

D) removing data.

Answer: A

Diff: 2 Page Ref: 60

Topic: The E-R Model: An Overview

AACSB: Reflective Thinking

Subtopic: Metadata