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.

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 16 of 31

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Q151.

The weak entities are used in entity relationship diagrams and are denoted by

double rectangles

double square

double ovals

double squares

Discuss

Answer: (a).double rectangles

Q152.

The databases which are used to represent reference attributes are classified as

ternary databases

string databases

floating databases

object databases

Discuss

Answer: (d).object databases

Q153.

The Universal Modeling Language in database management system is classified as

object modeling methodology

query modeling methodology

entity modeling methodology

attribute modeling methodology

Discuss

Answer: (a).object modeling methodology

Q154.

In the entity-relationship diagram, the partial key is sometimes also called

subordinate

discriminator

incremental

Cartesian ordinate

Discuss

Answer: (b).discriminator

Q155.

In ER diagrams, the existence dependency is shown by

double dotted line

triple dotted line

single line

double line

Discuss

Answer: (d).double line

Q156.

In entity set, the type of attribute having distinct values for specific entity is classified as

functional attribute

logical attribute

key entity

key attribute

Discuss

Answer: (d).key attribute

Q157.

In E-R diagrams, the relationship type with three degrees is classified as

binary relationship

ternary relationship

extension association

intension association

Discuss

Answer: (b).ternary relationship

Q158.

In relational databases, the key which are considered as type of reference attribute is classified as

foreign keys

composite keys

string keys

floating keys

Discuss

Answer: (a).foreign keys

Q159.

The step of high level conceptual models designing in which the data requirements are documented by interviewing database users is

host server analysis

requirement collection and analysis

client server analysis

entity attribute analysis

Discuss

Answer: (b).requirement collection and analysis

Q160.

The kind of entities without any key attributes are classified as

weak entity

strong entity

single entity

foreign entity

Discuss

Answer: (a).weak entity

Page 16 of 31

Welcome to the The Entity Relationship Approach MCQs Page

The Entity Relationship Approach MCQs | Page 16 of 31

Explore more Topics under DBMS

DBMS Basics

Data Models

Relational Databases

Data Storage and Querying

Relational Algebra

Normalization

Storage and File Structures

Indexing and Hashing

Transactions

Concurrency Control

Recovery System

Distributed Databases

SQL

Data Warehousing and Data Mining

RDBMS

Advanced SQL

SQL Queries,Constraints and Triggers

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