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?

Object-oriented Databases

Flat-file Databases

Relational Databases (RDBMS)

Document-oriented Databases (NoSQL)

2 / 10

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

DELETE

SELECT

INSERT

UPDATE

3 / 10

What is the purpose of normalization in databases?

To speed up data retrieval

To convert data into binary format

To add new fields to a table

To reduce redundancy and dependency

4 / 10

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

CREATE

DELETE

INSERT

UPDATE

5 / 10

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

Redis

AWS S3

PostgreSQL

MongoDB

MySQL

6 / 10

What is a database?

A software for creating web applications

A collection of data stored in a structured format

A method for securing information

A system used for analyzing data

7 / 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 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 are ideal for large-scale distributed data

hey do not support ACID transactions

They are schema-less

They store data in tables with fixed rows and columns

9 / 10

Which of the following is a characteristic of ACID transactions?

Durability

Atomicity

Isolation

Consistency

10 / 10

What is SQL used for?

To format JSON files

To secure database connections

To query and manage relational databases

To create websites

Your score is

The average score is 60%

0%

Databases Basics Quiz 1

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