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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 30 of 31

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Q291.
Which of the following can be a multivalued attribute ?

a.

Phone_number

b.

Name

c.

Date_of_birth

d.

All of the mentioned

Discuss
Answer: (a).Phone_number
Q292.
Which of the following is a single valued attribute

a.

Register_number

b.

Address

c.

SUBJECT_TAKEN

d.

Reference

Discuss
Answer: (a).Register_number
Q293.
In a relation between the entities the type and condition of the relation should be specified . That is called as______attribute.

a.

Desciptive

b.

Derived

c.

Recursive

d.

Relative

Discuss
Answer: (a).Desciptive
Q294.
_____________ express the number of entities to which another entity can be associated via a relationship set.

a.

Mapping Cardinality

b.

Relational Cardinality

c.

Participation Constraints

d.

None of the mentioned

Discuss
Answer: (a).Mapping Cardinality
Q295.
______ is a special type of integrity constraint that relates two relations & maintains consistency across the relations.

a.

Entity Integrity Constraints

b.

Referential Integrity Constraints

c.

Domain Integrity Constraints

d.

Domain Constraints

Discuss
Answer: (b).Referential Integrity Constraints
Q296.
____________ is preferred method for enforcing data integrity

a.

Constraints

b.

Stored Procedure

c.

Triggers

d.

Cursors

Discuss
Answer: (a).Constraints
Q297.
Which of the following gives a logical structure of the database graphically ?

a.

Entity-relationship diagram

b.

Entity diagram

c.

Database diagram

d.

Architectural representation

Discuss
Answer: (a).Entity-relationship diagram
Q298.
The entity relationship set is represented in E-R diagram as

a.

Double diamonds

b.

Undivided rectangles

c.

Dashed lines

d.

Diamond

Discuss
Answer: (d).Diamond
Q299.
The Rectangles divided into two parts represents

a.

Entity set

b.

Relationship set

c.

Attributes of a relationship set

d.

Primary key

Discuss
Answer: (a).Entity set
Q300.
Consider a directed line(->) from the relationship set advisor to both entity sets instructor and student. This indicates _________ cardinality

a.

One to many

b.

One to one

c.

Many to many

d.

Many to one

Discuss
Answer: (b).One to one
Page 30 of 31

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