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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 5 of 19

Q41.
Data Models in DBMS are classified into ______ categories.

a.

3

b.

4

c.

5

d.

2

Discuss
Answer: (a).3
Q42.
Which of the following is example of Object based logical model ?
Discuss
Answer: (a).Entity Relationship Model
Q43.
Entity Relationship model consists of collection of basic objects called _________ and relationship among these objects.
Discuss
Answer: (c).entities
Q44.
Object which is distinguishable from other objects by specific set of attributes is called as ___________.
Discuss
Answer: (b).Entity
Q45.
Association among several entities is called as _____________.
Discuss
Answer: (b).Relationship
Q46.
______________ express the number of entities to which another entity can be associated via a relationship set.
Discuss
Answer: (b).Mapping Cardinality
Q47.
In Object Oriented Model values are stored into __________ variables.
Discuss
Answer: (a).Instance
Q48.
Collection of tables to represent both data and relationship is described by _____________.
Discuss
Answer: (a).Relational Model
Q49.
Ability to modify schema of database in one level without affecting the schema definition in higher level is called as __________.
Discuss
Answer: (a).Data Independence
Q50.
There are _________ levels of data independence.

a.

2

b.

1

c.

4

d.

3

Discuss
Answer: (a).2
Page 5 of 19

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