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

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

Flat-file Databases

Relational Databases (RDBMS)

Document-oriented Databases (NoSQL)

Object-oriented Databases

2 / 10

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

A key that unlocks access to the database

A unique identifier for each record in a table

A key that allows relationships between two databases

A field that contains encrypted data

3 / 10

What is a database?

A system used for analyzing data

A collection of data stored in a structured format

A software for creating web applications

A method for securing information

4 / 10

Which of the following is a characteristic of ACID transactions?

Isolation

Atomicity

Durability

Consistency

5 / 10

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

AWS S3

MySQL

PostgreSQL

MongoDB

Redis

6 / 10

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

UPDATE

DELETE

INSERT

SELECT

7 / 10

What is SQL used for?

To format JSON files

To create websites

To query and manage relational databases

To secure database connections

8 / 10

Which of the following is true about NoSQL databases?

hey do not support ACID transactions

They are schema-less

They store data in tables with fixed rows and columns

They are ideal for large-scale distributed data

9 / 10

What is the purpose of normalization in databases?

To add new fields to a table

To speed up data retrieval

To reduce redundancy and dependency

To convert data into binary format

10 / 10

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

UPDATE

INSERT

DELETE

CREATE

Your score is

The average score is 60%

0%

Databases Basics Quiz 1

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