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 of the following is a characteristic of ACID transactions?

Atomicity

Durability

Consistency

Isolation

2 / 10

Which of the following is true about NoSQL databases?

hey do not support ACID transactions

They are ideal for large-scale distributed data

They are schema-less

They store data in tables with fixed rows and columns

3 / 10

What is the purpose of normalization in databases?

To convert data into binary format

To reduce redundancy and dependency

To speed up data retrieval

To add new fields to a table

4 / 10

What is SQL used for?

To format JSON files

To secure database connections

To create websites

To query and manage relational databases

5 / 10

What is a database?

A software for creating web applications

A method for securing information

A collection of data stored in a structured format

A system used for analyzing data

6 / 10

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

A field that contains encrypted data

A key that allows relationships between two databases

A unique identifier for each record in a table

A key that unlocks access to the database

7 / 10

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

MySQL

AWS S3

Redis

PostgreSQL

MongoDB

8 / 10

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

CREATE

UPDATE

DELETE

INSERT

9 / 10

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

Object-oriented Databases

Flat-file Databases

Relational Databases (RDBMS)

Document-oriented Databases (NoSQL)

10 / 10

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

INSERT

UPDATE

DELETE

SELECT

Your score is

The average score is 60%

0%

Databases Basics Quiz 1

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