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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 14 of 31

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Q131.
In constructing ER diagrams, the double ovals are used to denote

a.

multi-value table

b.

multi-value entity

c.

multi-value attributes

d.

multi-value key

Discuss
Answer: (c).multi-value attributes
Q132.
The total participation constraint is also known as

a.

recursive dependency

b.

existence dependency

c.

existence independency

d.

recursive independency

Discuss
Answer: (b).existence dependency
Q133.
The weak entities are represented in UML diagrams by using aggregations called

a.

qualified segregation

b.

non-qualified segregation

c.

non-qualified aggregation

d.

qualified aggregation

Discuss
Answer: (d).qualified aggregation
Q134.
The attributes which have only more than one value for a specific entity are classified as

a.

atomic attributes

b.

diatomic attributes

c.

multi-valued attributes

d.

single valued attributes

Discuss
Answer: (c).multi-valued attributes
Q135.
The derived attributes in entity relationship diagrams are denoted by

a.

dotted triangle

b.

dotted rectangle

c.

dotted oval

d.

dotted square

Discuss
Answer: (c).dotted oval
Q136.
In designing of software, the functional requirements are specified with the help of

a.

sequence diagrams

b.

dataflow diagrams

c.

scenarios

d.

all of above

Discuss
Answer: (d).all of above
Q137.
In the database, the set of all entities related to a particular entity type is classified as

a.

structural entity set

b.

entity set

c.

functional set of entity

d.

logical set of entity

Discuss
Answer: (b).entity set
Q138.
In entity-relationship, the entity type which has existence dependency constraint is classified as

a.

single entity

b.

foreign entity

c.

weak entity

d.

strong entity

Discuss
Answer: (c).weak entity
Q139.
The set of key attributes that identify weak entities related to some owner entity is classified as

a.

structural key

b.

partial key

c.

string key

d.

foreign key

Discuss
Answer: (b).partial key
Q140.
In DBMS, the set of associations can be defined among different entities from different entity types as

a.

relationship string

b.

relationship set

c.

relationship type

d.

both b and c

Discuss
Answer: (d).both b and c
Page 14 of 31

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