Entity Relationship Model

Entity Relationship Model

9th Grade

40 Qs

quiz-placeholder

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Entity Relationship Model

Entity Relationship Model

Assessment

Quiz

Computers

9th Grade

Medium

Created by

Michael Atienza

Used 3+ times

FREE Resource

40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an Entity Relationship Diagram?

An Entity Relationship Diagram is a relationship between properties of entities in a database.

An Entity Relationship Diagram is a type database table connections.

An Entity Relationship Diagram is a type of database programming.

An Entity Relationship Diagram (ERD) is a visual representation of the relationships between entities in a database.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is represented by a rectangle in an entity-relationship diagram?

Entity
Database
Attribute
Relationship

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an ERD, what does a diamond-shaped symbol represent?

Relationship
Cardinality
Entity
Attribute

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is not a cardinality constraint used in ER diagrams?

One-to-One

Many-to-Many

One-to-Many

All-to-All

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the crow's foot notation in an ERD signify?

Many relationship
Foreign key
Primary key
One-to-one relationship

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the line connecting two entities in an ERD represent?

Link
Relationship
Association
Connection

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an ERD, what does a double rectangle represent?

Primary key
Foreign key
Weak entity
Attribute

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