Introduction to SQL

4.46 hours8K learnersCertificate
Join this course to acquire the essential skills in SQL, empowering marketers, product managers, analytics and developers to efficiently collect and analyze data.
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See course content7 days ago last updated
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What you'll learn

This project-free course will introduce you to the basics of the SQL query language. You do not need to know other programming languages to complete this course. However, it is useful for anyone who wants to learn how to work with data and how databases operate. And what's more, you can use this course as a guide and material for future reference.

You will:

  • get to know how to request, update, and delete data using basic SQL operators;
  • learn how to work with MySQL;
  • discover how to extract data and process them using SQL;
  • be able to make queries without using other programming languages;
  • find out how to use SQL functions in real-life tasks.
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Learn by doing

# 1
Apply knowledge into practice
You already know the theory. Now it's time to code like you do at work—in a professional IDE, with real project constraints, solving problems that actually matter. Welcome to software engineering as it should be.
# 2
Navigate complexity with surgical precision
Most developers waste months learning random concepts without seeing how they connect. Our interactive Knowledge Map fixes this. It shows exactly how every programming concept relates to others, helping you build a structured mental model of coding.
# 3
Copy the best. Then improve.
Here's what top engineers do that others don't: they study other people's code obsessively. When you get stuck on Hyperskill, you can explore solutions published by other developers. See their exact code. Understand their approach. Learn their tricks.
# 4
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We stripped code review down to what actually matters: does your solution work? Have you handled the edge cases? Is there a cleaner way to write this? Hyperskill acts like a competent reviewer who actually tests your code. Not genius-level analysis, not architecture debates — just solid feedback on making your code better.

Topics covered by this course

Retrieving Data
7 topics
DBMS
6 topics
Introduction to SQL
5 topics
Data Modification Language
5 topics
Functions and operations
2 topics
DB Theory
1 topic
Data Definition Language
1 topic
Subqueries
1 topic

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JetBrains Academy

JetBrains Academy

JetBrains Academy is a part of JetBrains, a global software company specializing in the creation of intelligent, productivity-enhancing tools for software developers and teams. With years of expertise in software development and education, JetBrains Academy empowers more than a million people worldwide to learn and teach computer science, and help organizations inspire their teams to reach their goals in tech. Professional development tools play a big role in computer science education. This is why JetBrains Academy courses offer integration with JetBrains IDEs. This integration assists learners in getting experience with real development processes to streamline their learning curve at future work.

Your peers think Hyperskill rocks

Lidz avatar
Lidz
2 days ago
It was a very decent review of some nitty gritty SQL detail that one normally does not think about. As always some language issues in the problems but well worth the time.
Ash avatar
Ash
3 weeks ago
Great course! It helped me learn the basics of SQL for my school projects.However, the course didn't include some essential topics for understanding the basics of SQL, so I had to take them from the other SQL courses on the platform. And, in my opinion, the course also contained a couple of unneces ...
ysharaf avatar
ysharaf
4 weeks ago
This course helped me to better understand the fundamentals of SQL. The instructions were clear and the materials were well-organized. I would recommend this course to anyone looking for a solid introduction to the topic.

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Course provided by JetBrains Academy
Anonymous 154248806has successfully completed the courseIntroduction to SQL
Issue date November 28, 2025
28 topics completed

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