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Entity Relationship Diagram (ERD)

Authored by Achal Kaushik

Computers

University

Used 39+ times

Entity Relationship Diagram (ERD)
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40 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An entity is a

object of relation

present working model

thing in real world

model of relation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is not a component of ER Model in DBMS?

entity

database

attribute

relationship

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A relationship is

an item in an application

a meaningful dependency between entities

a collection of related entities

a related data

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Entity is represented as

ellipse

double ellipse

rectangle

double rectangle

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Property that describes the characteristics of entity is

entities

relationship

attributes

identifiers

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Entities can be associated with one another in which of the following

attribute

identifiers

entities

relationship

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rows of a relation is called

a relation row

an entity

a data structure

tuples

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