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Welcome to the Data Models MCQs Page

Dive deep into the fascinating world of Data Models with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Models, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of Data Models, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within DBMS.

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Check out the MCQs below to embark on an enriching journey through Data Models. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of DBMS.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Data Models. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Data Models MCQs | Page 7 of 19

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Q61.
An entity type is which of the following?

a.

A major category of data about people, place, and things

b.

The various departments of an organization

c.

The application software

d.

The business processes the support the mission of an organization

Discuss
Answer: (a).A major category of data about people, place, and things
Q62.
The first step in database development is which of the following?

a.

Enterprise data modeling

b.

Logical database design

c.

Physical database design and definition

d.

Database Implementation

Discuss
Answer: (a).Enterprise data modeling
Q63.
Strategic Planning factors do not include which of the following?

a.

Organizational goals

b.

Critical success factors

c.

Information engineering

d.

Problem areas

Discuss
Answer: (c).Information engineering
Q64.
The use of packaged data models can offer which of the following benefits?

a.

Reduce implementation time and costs

b.

Higher quality models

c.

Both A and B.

d.

Neither A nor B.

Discuss
Answer: (c).Both A and B.
Q65.
Whose role is it to determine the requirements and design for a database?

a.

Database analysts

b.

Database administrators

c.

Both A and B.

d.

Neither A or B.

Discuss
Answer: (a).Database analysts
Q66.
User views are included as part of which schema?

a.

Internal

b.

Conceptual

c.

External

d.

None of the above.

Discuss
Answer: (c).External
Q67.
The Enterprise tier of the three-tiered database architecture includes:

a.

managing the data.

b.

managing the User-system interface.

c.

processing HTTP protocol.

d.

processing scripting tasks.

Discuss
Answer: (a).managing the data.
Q68.
Which of the following statement is true concerning objects and/or classes?

a.

An object is an instance of a class.

b.

A class is an instance of an object.

c.

An object includes encapsulates only data.

d.

A class includes encapsulates only data.

Discuss
Answer: (a).An object is an instance of a class.
Q69.
A UML diagram includes which of the following?

a.

Class name

b.

List of attributes

c.

List of operations

d.

All of the above.

Discuss
Answer: (d).All of the above.
Q70.
A constructor operation does which of the following?

a.

Creates a new instance of a class

b.

Updates an existing instance of a class

c.

Deletes and existing instance of a class

d.

All of the above.

Discuss
Answer: (a).Creates a new instance of a class
Page 7 of 19

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