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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 21 of 31

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Q201.
The IS-AN-INSTANCE-OF and IS-A-MEMBER-OF are types of relationships to associate

a.

object instance to object class

b.

leaf instance to node class

c.

union instance to object class

d.

intersect instance to object class

Discuss
Answer: (a).object instance to object class
Q202.
The generalization and specialization lattices are classified as

a.

single aggregation

b.

multiple inheritance

c.

single inheritance

d.

multiple aggregation

Discuss
Answer: (b).multiple inheritance
Q203.
The inverse process of classification which focuses on specific examination of different entities of classes is called

a.

identification

b.

exception abstract

c.

classification

d.

instantiation

Discuss
Answer: (d).instantiation
Q204.
The type of attributes that are applicable to specific subclasses is classified as

a.

aggregate attributes

b.

segregate attributes

c.

public attributes

d.

local attributes

Discuss
Answer: (d).local attributes
Q205.
The identification, aggregation and instantiation are abstraction concepts used in

a.

intension and extension models

b.

classes and nodes models

c.

concrete models

d.

semantic data models

Discuss
Answer: (d).semantic data models
Q206.
The type of specialization in which all the subclasses have membership condition on super class of similar attribute is classified as

a.

constraint-defined specialization

b.

key-defined specialization

c.

entity-defined specialization

d.

attribute-defined specialization

Discuss
Answer: (d).attribute-defined specialization
Q207.
If there is no association between aggregate and primitive objects then this can be represented as

a.

IS-A-COMPONENT-OF relationship

b.

IS-A-PART-OF relationship

c.

IS-A-SUPERCLASS-OF relationship

d.

IS-A-SUBCLASS-OF relationship

Discuss
Answer: (a).IS-A-COMPONENT-OF relationship
Q208.
In the process of specialization, the specific attributes are also classified as

a.

public attributes

b.

local attributes

c.

aggregate attributes

d.

segregate attributes

Discuss
Answer: (b).local attributes
Q209.
The predicate-defined subclasses are also known as

a.

condition-defined subclasses

b.

non condition subclasses

c.

aggregation subclasses

d.

segregation subclasses

Discuss
Answer: (a).condition-defined subclasses
Q210.
The process of abstraction in which the objects and classes are identified with some kind of identifier is classified as

a.

classification

b.

instantiation

c.

identification

d.

exception abstract

Discuss
Answer: (c).identification
Page 21 of 31

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