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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 4 of 19

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Q31.
Hierarchical model is also called

a.

Tree structure

b.

Plex Structure

c.

Normalize Structure

d.

Table Structure

Discuss
Answer: (a).Tree structure
Q32.
A main purpose of DBMS is to provide ____________ view of data to user.

a.

Abstract

b.

Partial

c.

Complete

d.

None of these

Discuss
Answer: (d).None of these
Q33.
____________ means to hide certain details of how data is stored and maintain.

a.

Data Abstraction

b.

Data Integrity

c.

Data Isolation

d.

None of these

Discuss
Answer: (a).Data Abstraction
Q34.
There are _________ levels of data abstraction.

a.

2

b.

3

c.

4

d.

1

Discuss
Answer: (b).3
Q35.
In data abstraction which is lowest level of abstraction ?

a.

View Level

b.

Physical Level

c.

Conceptual Level

d.

None of these

Discuss
Answer: (b).Physical Level
Q36.
_______ of abstraction explains how data is actually stored and describes the Data Structure and Access methods used by database.

a.

Conceptual Level

b.

View Level

c.

Physical Level

d.

None of the above

Discuss
Answer: (c).Physical Level
Q37.
"What data is stored ?" is described by __________ level of abstraction in DBMS.

a.

Physical

b.

View

c.

Conceptual

d.

None of the above

Discuss
Answer: (c).Conceptual
Q38.
Part of entire database is shown by ________ level of abstraction.

a.

Conceptual

b.

Physical

c.

View

d.

None of these

Discuss
Answer: (c).View
Q39.
If user doesn't know anything about the complexity of database application then that user is called as _____________.

a.

Naive User

b.

Database Manager

c.

Database Operator

d.

Database Administrator

Discuss
Answer: (a).Naive User
Q40.
Data Model is collection of conceptual tools for describing

a.

Data

b.

Data Schema

c.

Consistency Constaints

d.

All of these

Discuss
Answer: (d).All of these
Page 4 of 19

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