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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 22 of 31

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Q211.
Considering the constraints of generalization and specialization, the constraint of disjointness and completeness is usually

a.

non calculated

b.

non defined

c.

independence

d.

dependence

Discuss
Answer: (c).independence
Q212.
The relationship between vocabulary to represent different concepts is classified as

a.

dictionary

b.

thesaurus

c.

glossary

d.

all of above

Discuss
Answer: (d).all of above
Q213.
Consider representation of specialization and generalization, the blank triangle is used to indicate the specific constraint called

a.

disjoint node

b.

shared base constraint

c.

schema construct

d.

disjoint constraint

Discuss
Answer: (d).disjoint constraint
Q214.
The Web project which allows exchange of information among different computers on Web is classified as

a.

segregate web

b.

conceptual web

c.

semantic web

d.

aggregate web

Discuss
Answer: (c).semantic web
Q215.
In the enhanced-entity-relationship, the collection of entities in the form of set is classified as

a.

object

b.

schema

c.

class

d.

construct

Discuss
Answer: (c).class
Q216.
The entity involved in the process of specialization is considered as

a.

medium class of entity

b.

mini class of entity

c.

subclass of entity

d.

super class of entity

Discuss
Answer: (d).super class of entity
Q217.
The subclass which represent objects collection of distinct entity types is classified as

a.

partial type

b.

intersection type

c.

union type

d.

both b and c

Discuss
Answer: (d).both b and c
Q218.
The procedure of building composite objects from components of objects is classified as

a.

aggregation

b.

segregation

c.

aggregate synthesis

d.

aggregate refinement

Discuss
Answer: (a).aggregation
Q219.
Consider representation of specialization and generalization, the filled triangle is used to indicate the constraint called

a.

overlapping constraint

b.

disjoint node

c.

shared base constraint

d.

schema construct

Discuss
Answer: (a).overlapping constraint
Q220.
How is the discriminator of a weak entity set specified?

a.

Using a solid line

b.

Circling it

c.

Using a dashed line

d.

Drawing a square around it

Discuss
Answer: (c).Using a dashed line
Page 22 of 31

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