Understanding Database Normalisation Concepts

Understanding Database Normalisation Concepts

11th Grade

10 Qs

quiz-placeholder

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Database Normalization

Database Normalization

11th Grade

10 Qs

Understanding Database Normalisation Concepts

Understanding Database Normalisation Concepts

Assessment

Quiz

Computers

11th Grade

Medium

Created by

Connor KELLY

Used 1+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a key principle of database design?

Ensuring data redundancy

Ensuring data integrity

Maximising data duplication

Minimising data access

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an Entity-Relationship Model, what does an entity represent?

A unique attribute

A real-world object or concept

A database table

A relationship between tables

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which normal form eliminates partial dependencies?

First Normal Form (1NF)

Second Normal Form (2NF)

Third Normal Form (3NF)

Boyce-Codd Normal Form (BCNF)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a technique used in database normalisation?

Data encryption

Data denormalisation

Data partitioning

Data decomposition

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the requirement for a table to be in First Normal Form (1NF)?

No repeating groups or arrays

No partial dependencies

No transitive dependencies

No foreign keys

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true for a table in Second Normal Form (2NF)?

It has no repeating groups

It has no partial dependencies

It has no transitive dependencies

It has no foreign keys

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a relational database?

A database that stores data in a hierarchical format

A database that stores data in a network format

A database that stores data in tables with relationships

A database that stores data in a flat file

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