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 13 of 31

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Q121.

In ER diagrams, the rectangles are used to denote

entity types

attribute types

key types

structure types

Discuss

Answer: (a).entity types

Q122.

In entity-relationship diagrams, the participating entities are represented by

oval shaped box

rectangular box

squared box

diamond shaped box

Discuss

Answer: (b).rectangular box

Q123.

The relationship type in which one attribute is migrated to the N-side of relationship is classified as

4:N

3:N

1:N

2:N

Discuss

Answer: (c).1:N

Q124.

The entities that have key attributes to be distinct are considered as

weak entity

strong entity

single entity

foreign entity

Discuss

Answer: (b).strong entity

Q125.

The schema which specifies that all the database users requirements have been met is called

high level conceptual schema

high level logical schema

high level structural schema

high level detailed schema

Discuss

Answer: (a).high level conceptual schema

Q126.

For a relationship type, the participation constraints and cardinality ratio are considered together to make

intensive constraints

recursive constraints

composite constraints

structural constraints

Discuss

Answer: (d).structural constraints

Q127.

The parent entity type or identifying entity type are considered as other names of

dominant entity type

non dominant entity type

composite entity type

non foreign entity type

Discuss

Answer: (a).dominant entity type

Q128.

The relationship type with two degrees is classified as

extension association

intension association

binary relationship

ternary relationship

Discuss

Answer: (c).binary relationship

Q129.

The constraint which specifies the minimum number of relationship instances is classified as

participation constraint

non-participation constraint

extensive constraint

intensive constraint

Discuss

Answer: (a).participation constraint

Q130.

In the commercial database management system, the relational database model is also known as

implementation data model

attribution data model

sequential data model

functional data model

Discuss

Answer: (a).implementation data model

Page 13 of 31

Welcome to the The Entity Relationship Approach MCQs Page

The Entity Relationship Approach MCQs | Page 13 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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