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SQL courses

SQL is essential for efficient database management and data analysis, widely used across various industries for its powerful data handling capabilities.
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Recommended for SQL beginners

Build your SQL skills with interactive courses, tracks and projects curated by real-world experts.

Track

SQL Fundamentals

26 hr
1.4K
Master the SQL fundamentals needed for business, learn how to write SQL queries, and start analyzing your data using this powerful language.

Course

Introduction to SQL

2 hr
28.9K
Learn how to create and query relational databases using SQL in just two hours.

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39 results

Course

Introduction to SQL

BeginnerSkill Level
2 hr
28.9K
Learn how to create and query relational databases using SQL in just two hours.

Course

Intermediate SQL

BeginnerSkill Level
4 hr
20.1K
Accompanied at every step with hands-on practice queries, this course teaches you everything you need to know to analyze data using your own SQL code today!

Course

Joining Data in SQL

BeginnerSkill Level
4 hr
13.2K
Level up your SQL knowledge and learn to join tables together, apply relational set theory, and work with subqueries.

Course

Data Manipulation in SQL

BeginnerSkill Level
4 hr
6.2K
Master the complex SQL queries necessary to answer a wide variety of data science questions and prepare robust data sets for analysis in PostgreSQL.

Course

Exploratory Data Analysis in SQL

IntermediateSkill Level
4 hr
2.7K
Learn how to explore what's available in a database: the tables, relationships between them, and data stored in them.

Course

Database Design

BeginnerSkill Level
4 hr
3.5K
Learn to design databases in SQL to process, store, and organize data in a more efficient way.

Course

Introduction to SQL Server

BeginnerSkill Level
4 hr
1.2K
Learn to use SQL Server to perform common data manipulation tasks and master common data manipulation tasks using this database system.

Course

Applying SQL to Real-World Problems

IntermediateSkill Level
4 hr
828
Find tables, store and manage new tables and views, and write maintainable SQL code to answer business questions.

Course

Intermediate SQL Server

IntermediateSkill Level
4 hr
684
In this course, you will use T-SQL, the flavor of SQL used in Microsoft's SQL Server for data analysis.

Course

Introduction to NoSQL

BeginnerSkill Level
4 hr
514
Conquer NoSQL and supercharge data workflows. Learn Snowflake to work with big data, Postgres JSON for handling document data, and Redis for key-value data.

Course

Reporting in SQL

IntermediateSkill Level
4 hr
512
Learn how to build your own SQL reports and dashboards, plus hone your data exploration, cleaning, and validation skills.

Course

Analyzing Business Data in SQL

IntermediateSkill Level
4 hr
571
Learn to write SQL queries to calculate key metrics that businesses use to measure performance.

Course

NoSQL Concepts

IntermediateSkill Level
2 hr
529
In this conceptual course (no coding required), you will learn about the four major NoSQL databases and popular engines.

Course

Introduction to Oracle SQL

BeginnerSkill Level
4 hr
166
Sharpen your skills in Oracle SQL including SQL basics, aggregating, combining, and customizing data.

Course

Creating PostgreSQL Databases

BeginnerSkill Level
4 hr
326
Learn how to create a PostgreSQL database and explore the structure, data types, and how to normalize databases.

Course

Time Series Analysis in PostgreSQL

IntermediateSkill Level
4 hr
57
Learn how to use PostgreSQL to handle time series analysis effectively and apply these techniques to real-world data.

Track

SQL Fundamentals

26 hr
1.4K
Master the SQL fundamentals needed for business, learn how to write SQL queries, and start analyzing your data using this powerful language.

Track

Associate Data Analyst in SQL

39 hr
1.7K
Gain the SQL skills you need to query a database, analyze the results, and become a SQL proficient Data Analyst. No prior coding experience required!

Track

Associate Data Engineer in SQL

30 hr
636
Learn the fundamentals of data engineering: database design and data warehousing, working with technologies including PostgreSQL and Snowflake!

Track

SQL for Business Analysts

20 hr
192
Boost your business SQL skills. Learn how you can use SQL to quickly analyze data and build powerful reports to overcome business problems.

Track

SQL Server Developer

41 hr
95
Gain the SQL Server skills you need to write, troubleshoot, and optimize your queries using SQL Server.

Track

SQL Server Fundamentals

21 hr
117
Gain the starting SQL Server skills you need to summarize data, join tables, and analyze your data using SQL Server functions.

Track

SQL for Database Administrators

16 hr
92
Gain the database skills you need to become a confident, high-earning SQL DBA. Learn how to create, grow, and manage your PostgreSQL database.
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Related resources on SQL

blog

The 80 Top SQL Interview Questions and Answers for Beginners & Intermediate Practitioners

This article provides a comprehensive overview of 80 essential SQL questions and answers for job hunters, hiring managers, and recruiters, covering both general topics and technical questions.
Elena Kosourova's photo

Elena Kosourova

12 min

blog

10 Portfolio-Ready SQL Projects for All Levels

Select your first—or next—SQL project to practice your current SQL skills, develop new ones, and create an outstanding professional portfolio.
Elena Kosourova's photo

Elena Kosourova

11 min

cheat sheet

SQL Basics Cheat Sheet

With this SQL cheat sheet, you'll have a handy reference guide to basic querying tables, filtering data, and aggregating data
Richie Cotton's photo

Richie Cotton

5 min


Ready to apply your skills?

Projects allow you to apply your knowledge to a wide range of datasets
to solve real-world problems in your browser

Project

Analyzing Unicorn Companies

1 hr
7.6K
Use your SQL skills to find out how many companies reached a valuation of over $1 billion across different industries between 2019 and 2021!
See More

Frequently asked questions

What is SQL and what is it used for?

SQL, or Structured Query Language, is a programming language designed for managing and manipulating data in relational databases. It is used extensively for data retrieval, insertion, updating, and deleting. This makes it a fundamental tool for data analysis, database management, and in various applications where data storage and query are essential. Alongside, SQL's standardized language enables efficient and effective interaction with large and complex databases across diverse systems.

What is a SQL database?

A SQL database is a structured collection of data that can be accessed and managed using SQL (Structured Query Language). It uses tables to organize data into rows and columns, allowing for efficient data retrieval, manipulation, and relational database management.

How does SQL relate to databases like PostgreSQL and MySQL?

SQL, is the standard language used for interacting with databases, including popular systems like PostgreSQL and MySQL. These databases use SQL as the interface for accessing and manipulating stored data. While SQL is the language, PostgreSQL and MySQL are types of database management systems that use SQL to manage and organize data efficiently, each with its own additional features and capabilities. This relationship means that by learning SQL, you can effectively work with a variety of database systems, including PostgreSQL and MySQL.

What types of jobs use SQL?

SQL skills are directly relevant in roles such as database administrators, data analysts, and software engineers, where managing and analyzing large data sets are central tasks. Additionally, professionals in fields like business intelligence, marketing, finance, and healthcare management also benefit greatly from SQL skills, as they often require data querying and reporting to make informed decisions and understand trends. Essentially, any job that involves working with data—whether for analyzing, reporting, or managing—can benefit from proficiency in SQL.

Is it worth learning SQL in 2024?

Absolutely, learning SQL in 2024 is valuable, even with the rise of generative AI. While AI can assist in building and interpreting SQL queries, a deep understanding of SQL syntax and database structure is crucial for designing efficient databases, troubleshooting, and ensuring the accuracy and relevance of data retrieved—a skill set that AI tools cannot fully replicate.

Does DataCamp offer SQL Certification?

Yes, our SQL Associate Certification enables you to prove your SQL skills to employers.

Our Data Analyst Certification is also an excellent option to prove your data analysis knowledge with SQL and either Python or R.

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