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Welcome to the The Entity Relationship Approach MCQs Page

Dive deep into the fascinating world of The Entity Relationship Approach with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of The Entity Relationship Approach, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of The Entity Relationship Approach, 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 The Entity Relationship Approach. 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 The Entity Relationship Approach. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

The Entity Relationship Approach MCQs | Page 23 of 31

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Q221.
An entity set that has a primary key is called as ___________

a.

Strong entity set

b.

Weak entity set

c.

Complete entity set

d.

None of the mentioned

Discuss
Answer: (a).Strong entity set
Q222.
The relationship associating the weak entity sets with the identifying entity set is called as ________

a.

Identifying relationship

b.

Connecting relationship

c.

Completing relationship

d.

Unique relationship

Discuss
Answer: (a).Identifying relationship
Q223.
State true or false: Every weak entity set must be associated with an identifying entity.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (a).True
Q224.
State true or false: A weak entity can participate in all the relationships.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (b).False
Q225.
The _________ of the entity set is an actual collection of entities belonging to that entity set.

a.

Extension

b.

Intention

c.

Description

d.

Availability

Discuss
Answer: (a).Extension
Q226.
A ___________ is an association among several entities.

a.

Relationship

b.

Association

c.

Set

d.

Combination

Discuss
Answer: (a).Relationship
Q227.
The attributes of a relationship are called as _________ attributes

a.

Relational

b.

Conjunctive

c.

Descriptive

d.

None of the mentioned

Discuss
Answer: (c).Descriptive
Q228.
What are composite attributes?

a.

They are those attributes which cannot be further divided into other attributes

b.

They are those attributes which can further be divided into other attributes

c.

They are those attributes which are essentially the primary keys of the relation

d.

None of the mentioned

Discuss
Answer: (b).They are those attributes which can further be divided into other attributes
Q229.
Let E be an entity set in a relationship set R. If every entity in E participates in at least one relationships in R, Then the participation of E in R is __________

a.

Partial

b.

Total

c.

Complete

d.

Incomplete

Discuss
Answer: (b).Total
Q230.
Let E be an entity set in a relationship set R. If only some entities in E participate in relationships in R, Then the participation of E in R is __________

a.

Partial

b.

Total

c.

Complete

d.

Incomplete

Discuss
Answer: (b).Total
Page 23 of 31

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