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Normalization in Databases Quiz

Authored by Fajar Dziki

Computers

University

Used 3+ times

Normalization in Databases Quiz
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary goal of normalization?

To increase data redundancy

To reduce data redundancy and inconsistencies

To store all data in a single table

To improve database security

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best describes normalization?

The process of converting a database into a spreadsheet

A method for structuring data to minimize duplication

A technique used to improve database security

A process used to increase redundancy for backup purposes

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a characteristic of a well-normalized database?

High redundancy

No foreign keys

Minimal data duplication

Single large table storing all information

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary key of a table?

A unique attribute that identifies each row

A foreign key referencing another table

A set of attributes used for indexing

An optional attribute used for sorting

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A foreign key is used to...

Identify unique rows in a table

Enforce referential integrity between tables

Index database records for faster searches

Store backup copies of primary keys

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a type of database key?

Primary key

Foreign key

Redundant key

Candidate key

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a composite key?

A single attribute that serves as the primary key

A key that is created by encrypting another key

A key composed of two or more attributes

A key used only for indexing purposes

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