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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 3 of 31

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Q21.
Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity?

a.

Weak entity

b.

Strong entity

c.

ID-dependent entity

d.

ID-independent entity

Discuss
Answer: (c).ID-dependent entity
Q22.
Which type of entity is related to two or more associated entities that each contain specialized attributes that apply to some but not all of the instances of the entity?

a.

Supertype entity

b.

Subtype entity

c.

Archetype entity

d.

Instance entity

Discuss
Answer: (a).Supertype entity
Q23.
An attribute that names or identifies entity instances is a(n):

a.

entity

b.

attribute

c.

identifier

d.

relationship

Discuss
Answer: (c).identifier
Q24.
Properties that describe the characteristics of entities are called:

a.

entities

b.

attributes

c.

identifiers

d.

relationships

Discuss
Answer: (b).attributes
Q25.
In which of the following can many entity instances of one type be related to many entity instances of another type?

a.

One-to-One Relationship

b.

One-to-Many Relationship

c.

Many-to-Many Relationship

d.

Composite Relationship

Discuss
Answer: (c).Many-to-Many Relationship
Q26.
Entities of a given type are grouped into a(n):

a.

database

b.

entity class

c.

attribute

d.

ERD

Discuss
Answer: (b).entity class
Q27.
Which of the following is NOT a E-R model of all versions of the E-R model?

a.

Entities

b.

Attributes

c.

Relationships

d.

Primary keys

Discuss
Answer: (d).Primary keys
Q28.
In which of the following is a single-entity instance of one type of related to a single-entity instance of another type?

a.

One-to-One Relationship

b.

One-to-Many Relationship

c.

Many-to-Many Relationship

d.

Composite Relationship

Discuss
Answer: (a).One-to-One Relationship
Q29.
Entities can be associated with one another in which of the following?

a.

Entities

b.

Attributes

c.

Identifiers

d.

Relationships

Discuss
Answer: (d).Relationships
Q30.
Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator?

a.

Subtype entity

b.

Supertype entity

c.

Archetype entity

d.

Instance entity

Discuss
Answer: (a).Subtype entity
Page 3 of 31

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