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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 6 of 19

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Q51.
Physical Data Independence is ability to modify _____________ without causing application program to rewrite.

a.

Physical Schema

b.

Conceptual Schema

c.

Logical Schema

d.

None of the above

Discuss
Answer: (a).Physical Schema
Q52.
Logical Data independence is ability to modify ____________ without causing application program to rewrite.

a.

Physical Schema

b.

Logical Schema

c.

Conceptual Schema

d.

None of the above

Discuss
Answer: (b).Logical Schema
Q53.
In enterprise data modeling, which is incorrect?

a.

You review current systems.

b.

You implement the new database.

c.

You describe the data needed at a very high level of abstraction.

d.

You plan one or more database development projects.

Discuss
Answer: (b).You implement the new database.
Q54.
Which is not a relevant feature of CASE tools?

a.

The ability to help draw data models using entity-relationship notations

b.

The ability to generate code

c.

An information repository

d.

Access to a DB via the Internet

Discuss
Answer: (d).Access to a DB via the Internet
Q55.
CASE tools do not include which of the following features?

a.

Help to draw data models

b.

Help to generate code

c.

Help to manage people

d.

Create an information repository

Discuss
Answer: (c).Help to manage people
Q56.
The three-schema components include all, but:

a.

internal schema.

b.

conceptual schema.

c.

programming schema.

d.

external schema.

Discuss
Answer: (c).programming schema.
Q57.
Which is not a type of data management technology?

a.

Relational

b.

Rational

c.

Object-oriented

d.

Dimensional

Discuss
Answer: (b).Rational
Q58.
Which of the following database activities determines the entities, attributes, and relationships of data?

a.

Conceptual data modeling

b.

Logical database design

c.

Physical database design and definition

d.

Database implementation

Discuss
Answer: (a).Conceptual data modeling
Q59.
Which of the following database activities require a specific knowledge of a DBMS?

a.

Enterprise modeling

b.

Conceptual data modeling

c.

Logical database design

d.

Physical database design and definition

Discuss
Answer: (d).Physical database design and definition
Q60.
Which of the following database activities allow for the actual retrieval and use of a database?

a.

Enterprise modeling

b.

Logical database design

c.

Physical database design and definition

d.

Database implementation

Discuss
Answer: (d).Database implementation
Page 6 of 19

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