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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 17 of 31

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Q161.
The most popular high level conceptual model in database management system is

a.

close end relation model

b.

query relation model

c.

entity relationship model

d.

attribute relationship model

Discuss
Answer: (c).entity relationship model
Q162.
The maximum number of instances that can participate into the binary relationship is classified as

a.

floating ratio

b.

cardinality ratio

c.

intensive ratio

d.

extensive ratio

Discuss
Answer: (b).cardinality ratio
Q163.
In entity-relationship diagrams, the types of relationships among entities are represented by

a.

squared box

b.

diamond shaped box

c.

oval shaped box

d.

rectangular box

Discuss
Answer: (b).diamond shaped box
Q164.
If in database of employees, the Age attribute is derived attribute then date of birth is classified as

a.

logical attribute

b.

physical attribute

c.

conceptual attribute

d.

stored attribute

Discuss
Answer: (d).stored attribute
Q165.
In binary relationship, the participation cardinality is also known as

a.

intensive cardinality constraint

b.

recursive cardinality constraint

c.

minimum cardinality constraint

d.

maximum cardinality constraint

Discuss
Answer: (c).minimum cardinality constraint
Q166.
The number of entity types participating in the E-R diagrams is represented by

a.

structure of relationship

b.

instance of relationship

c.

degree of relationship

d.

role of relationship

Discuss
Answer: (c).degree of relationship
Q167.
The identifying entity type is also known as

a.

owner entity type

b.

string entity type

c.

evidence entity

d.

floating entity

Discuss
Answer: (a).owner entity type
Q168.
The step in database design in which the high level data model is converted into the model of data implementation is considered as

a.

physical design of database

b.

data model mapping

c.

logical design

d.

both a and c

Discuss
Answer: (d).both a and c
Q169.
In UML diagrams, the relationship between the object and component parts is represented by

a.

ordination

b.

aggregation

c.

segregation

d.

increment

Discuss
Answer: (b).aggregation
Q170.
In the modeling of union type classes, the partial category of super class is represented by

a.

single line

b.

inverted comma

c.

triple line

d.

double line

Discuss
Answer: (a).single line
Page 17 of 31

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