Database Design MCQs With Answers

Computer MCQs 360April 18, 2024

0 15 1 minute read

Welcome to the Database Design MCQs with Answers. In this post, we have shared Database Design Online Test for different competitive exams. Find practice Database Design Practice Questions with answers in Computer Tests exams here. Each question offers a chance to enhance your knowledge regarding Database Design.

Database Design Online Quiz

By presenting 3 options to choose from, Database Design Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Database Design Questions and Answers and click over the correct answer.

Test Name: Database Design MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

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Database Design Quiz

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1 / 40

What does the term "data integrity" mean in database design?

Accuracy and consistency

Data redundancy

Data normalization

2 / 40

Which database design principle ensures that each attribute contains only atomic values?

Indexing

Atomicity

Data normalization

3 / 40

What is the role of indexes in database design?

Optimize data storage

Improve data retrieval speed

Ensure data consistency

4 / 40

What is the purpose of entity-relationship diagrams (ER diagrams) in database design?

Optimize query performance

Implement data encryption

Visualize database structure

5 / 40

Which database design principle focuses on optimizing data retrieval and storage efficiency?

Data normalization

Indexing

Denormalization

6 / 40

What does the term "denormalization" mean in database design?

Decrease redundancy

Increase redundancy for performance

Optimize query execution

7 / 40

What is the primary advantage of using entity-relationship diagrams (ER diagrams) in database design?

Data encryption

Indexing

Visual representation of database structure

8 / 40

What is a weak entity in entity-relationship diagrams (ER diagrams)?

Independent of another entity

Requires a surrogate key

Depends on another entity for identity

9 / 40

Which database model uses tables to store data?

Relational database model

Network database model

Hierarchical database model

10 / 40

Which database model is characterized by its ability to handle complex relationships?

NoSQL database model

Object-oriented database model

Relational database model

11 / 40

What is a primary key in a relational database?

Index for fast retrieval

Foreign key

Unique identifier for a row

12 / 40

Which database design principle focuses on dividing data into logical units to reduce redundancy?

Indexing

Denormalization

Normalization

13 / 40

What is a composite key in database design?

Primary key

Combination of multiple attributes that uniquely identify a row

Single attribute key

14 / 40

Which database model organizes data in a tree-like structure?

Hierarchical database model

Relational database model

Network database model

15 / 40

) relationship in database design?

16 / 40

Which database model is designed to handle unstructured data and allows flexible schemas?

NoSQL database model

Relational database model

Object-oriented database model

17 / 40

What is the purpose of normalization in database design?

Minimize redundancy

Optimize data retrieval

Maximize redundancy

18 / 40

What does the term "ERD" stand for in database design?

Entity-Relationship Diagram

Enhanced Retrieval Data

Efficient Relational Database

19 / 40

Which database model allows flexible schema and is suitable for hierarchical data?

NoSQL database model

Relational database model

Document database model

20 / 40

What is the purpose of cardinality in entity-relationship diagrams (ER diagrams)?

Describes relationship uniqueness

Implement data encryption

Optimize query execution

21 / 40

Which type of relationship is represented by a recursive relationship in database design?

Binary relationship

Associative relationship

Self-referencing relationship

22 / 40

Which database design principle ensures that each piece of data is stored exactly once?

Indexing

Denormalization

Normalization

23 / 40

What is the purpose of a relationship set in entity-relationship diagrams (ER diagrams)?

Optimizes query execution

Implements data encryption

Represents a group of relationships

24 / 40

Which type of relationship is represented by a one-to-one (1:1) relationship in database design?

Associative relationship

Binary relationship

Recursive relationship

25 / 40

What is an associative entity in entity-relationship diagrams (ER diagrams)?

Represents a foreign key

Represents a composite key

Represents a many-to-many relationship

26 / 40

What is a foreign key in a relational database?

Index for fast retrieval

Links to a primary key

Unique identifier

27 / 40

What is the purpose of referential integrity in database design?

Maximize data redundancy

Optimize query performance

Ensure data consistency

28 / 40

Which database design principle focuses on ensuring that each row is uniquely identifiable?

Entity integrity

Referential integrity

Data normalization

29 / 40

Which database design principle aims to ensure that data is accurate, consistent, and valid?

Data normalization

Data integrity

Data redundancy

30 / 40

Which type of relationship is represented by a one-to-many (1

Binary relationship

Recursive relationship

Associative relationship

31 / 40

) relationship in database design?

32 / 40

What is the primary goal of database design?

Maximize data redundancy

Efficient data storage

Optimize query performance

33 / 40

What is the purpose of a surrogate key in database design?

Foreign key

Unique identifier for a row

Composite key

34 / 40

What is the role of a database schema in database design?

Blueprint of database structure

Query optimization

Data encryption

35 / 40

What is the purpose of a primary key in database design?

Composite key

Foreign key

Unique identifier for a row

36 / 40

What does the term "data redundancy" refer to in database design?

Storing duplicate data

Indexing for fast retrieval

Data normalization

37 / 40

Which type of relationship is represented by a many-to-many (M

Recursive relationship

Binary relationship

Associative relationship

38 / 40

What does the term "normalization" mean in database design?

Organize data to reduce redundancy

Increase redundancy

Optimize query execution

39 / 40

In database design, what does the term "ACID" stand for?

Accuracy, Consistency, Integrity, Durability

Access, Control, Integration, Durability

Atomicity, Consistency, Isolation, Durability

40 / 40

Which database design principle focuses on ensuring data accuracy and validity?

Data integrity

Data normalization

Data redundancy

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Computer MCQs 360April 18, 2024

0 15 1 minute read