Database Design & Development Design 1

Database Design & Development Design 1

University

17 Qs

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Database Design & Development Design 1

Database Design & Development Design 1

Assessment

Quiz

Computers

University

Practice Problem

Medium

Created by

Nicole Donnelly

Used 5+ times

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17 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an ER diagram, what does a diamond shape represent?

Entity

Attribute

Relationship

Cardinality

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best describes the term "cardinality" in an ER diagram?

The number of entities involved in a relationship

The number of attributes an entity can have

The uniqueness of an attribute

The number of relationships an entity can have

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a "crow's foot" symbol represent in an ER diagram?

One-to-one relationship

One-to-many relationship

Many-to-many relationship

Attribute of an entity

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a data dictionary, what is the purpose of a "constraint"?

To define the tables in the database

To limit the type of data that can go into a table

To describe the attributes of an entity

To document the relationships between entities

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT typically included in a data dictionary?

Data types

Data relationships

Data constraints

Data values

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an ER diagram, what does a rectangle represent?

Entity

Attribute

Relationship

Cardinality

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a characteristic of a composite key?

It is made up of a single attribute

It consists of multiple foreign keys

It is used to uniquely identify a record using multiple attributes

It is always a primary key

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