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 22 of 31

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SQL Queries,Constraints and Triggers

Q211.

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

non calculated

non defined

independence

dependence

Discuss

Answer: (c).independence

Q212.

The relationship between vocabulary to represent different concepts is classified as

dictionary

thesaurus

glossary

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

disjoint node

shared base constraint

schema construct

disjoint constraint

Discuss

Answer: (d).disjoint constraint

Q214.

The Web project which allows exchange of information among different computers on Web is classified as

segregate web

conceptual web

semantic web

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

object

schema

class

construct

Discuss

Answer: (c).class

Q216.

The entity involved in the process of specialization is considered as

medium class of entity

mini class of entity

subclass of entity

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

partial type

intersection type

union type

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

aggregation

segregation

aggregate synthesis

aggregate refinement

Discuss

Answer: (a).aggregation

Q219.

Consider representation of specialization and generalization, the filled triangle is used to indicate the constraint called

overlapping constraint

disjoint node

shared base constraint

schema construct

Discuss

Answer: (a).overlapping constraint

Q220.

How is the discriminator of a weak entity set specified?

Using a solid line

Circling it

Using a dashed line

Drawing a square around it

Discuss

Answer: (c).Using a dashed line

Page 22 of 31

Welcome to the The Entity Relationship Approach MCQs Page

The Entity Relationship Approach MCQs | Page 22 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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