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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 26 of 31

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Q251.
The similarities between the entity set can be expressed by which of the following features?

a.

Specialization

b.

Generalization

c.

Uniquation

d.

Inheritance

Discuss
Answer: (b).Generalization
Q252.
Higher level entity sets are designated by the term _________

a.

Sub class

b.

Super class

c.

Parent class

d.

Root class

Discuss
Answer: (b).Super class
Q253.
State true or false: The attributes of the higher level entity sets are inherited by the attributes of the lower level entity sets

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (a).True
Q254.
Which of the following is not a generalization constraint?

a.

Condition-defined

b.

User defined

c.

Disjoint

d.

Machine defined

Discuss
Answer: (d).Machine defined
Q255.
Condition defined generalization constraint is also said to be ________

a.

Attribute defined

b.

Constraint defined

c.

Value defined

d.

Undefined

Discuss
Answer: (a).Attribute defined
Q256.
If each higher level entity belongs to the lower level entity, then what kind of generalization is it?

a.

Modal generalization

b.

Partial generalization

c.

Total generalization

d.

None of the mentioned

Discuss
Answer: (c).Total generalization
Q257.
________ is an abstraction through which relationships are treated as higher level entities

a.

Creation

b.

Superseding

c.

Attribute separation

d.

Aggregation

Discuss
Answer: (d).Aggregation
Q258.
Weak entity set is represented as

a.

Underline

b.

Double line

c.

Double diamond

d.

Double rectangle

Discuss
Answer: (c).Double diamond
Q259.
If you were collecting and storing information about your music collection, an album would be considered a(n) _____

a.

Relation

b.

Entity

c.

Instance

d.

Attribute

Discuss
Answer: (b).Entity
Q260.
What term is used to refer to a specific record in your music database; for instance; information stored about a specific album?

a.

Relation

b.

Instance

c.

Table

d.

Column

Discuss
Answer: (b).Instance
Page 26 of 31

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