Databases Basics Quiz 1 > Data AI Revolution

Databases Basics Quiz 1

This quiz is tailored for beginners who are getting started with databases. The questions will cover basic concepts like SQL queries, relational and NoSQL databases, ACID properties, normalization, and more. There are 10 multiple-choice questions, some of which may have more than one correct answer.

1 / 10

What is a database?

A software for creating web applications

A system used for analyzing data

A method for securing information

A collection of data stored in a structured format

2 / 10

Which type of database is best suited for handling unstructured or semi-structured data?

Relational Databases (RDBMS)

Object-oriented Databases

Flat-file Databases

Document-oriented Databases (NoSQL)

3 / 10

Which of the following commands is used to retrieve data from a database in SQL?

INSERT

DELETE

SELECT

UPDATE

4 / 10

What is the purpose of normalization in databases?

To reduce redundancy and dependency

To speed up data retrieval

To add new fields to a table

To convert data into binary format

5 / 10

What is SQL used for?

To query and manage relational databases

To create websites

To secure database connections

To format JSON files

6 / 10

Which of the following are examples of relational database management systems (RDBMS)?

PostgreSQL

AWS S3

MySQL

MongoDB

Redis

7 / 10

What does the term 'primary key' refer to in a relational database?

A unique identifier for each record in a table

A key that unlocks access to the database

A field that contains encrypted data

A key that allows relationships between two databases

8 / 10

Which of the following is true about NoSQL databases?

They store data in tables with fixed rows and columns

They are schema-less

They are ideal for large-scale distributed data

hey do not support ACID transactions

9 / 10

Which of the following is a characteristic of ACID transactions?

Consistency

Durability

Isolation

Atomicity

10 / 10

Which of the following SQL statements can be used to add new data to a table?

CREATE

INSERT

DELETE

UPDATE

Your score is

The average score is 60%

0%

Databases Basics Quiz 1

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