Learn SQL

Get dangerous with relational databases: query, filter, join, and aggregate data without hiding behind an ORM.

Browse Lessons (read-only)

What will you learn?

Learn all the basics of Structured Query Language in this comprehensive SQL course. You'll build out real database tables and practice querying them in flexible ways right in the browser. Not only will you understand how to use SQL, but you'll also learn in what situations you should use it. We will cover architectural design patterns and how to use SQL in a production environment.

Chapter List

1
Introduction
Learn about the basics of SQL and how it came to be
2
Tables
Create new tables and learn how to structure data efficiently
3
Constraints
Learn how to keep data accurate and up to date
4
CRUD
Create, read, update and delete information from a SQL database
5
Basic Queries
Practice additional clauses and features that SQL offers for more flexible querying
6
Structuring
Learn how to order and limit the data returned in large query sets
7
Aggregations
Learn how to run powerful calculations on entire datasets
8
Subqueries
Practice the advanced technique of nesting queries inside one another
9
Normalization
Learn how to normalize a database in order to keep it's data consistent and accurate
10
Joins
Practice joining multiple tables together in order to power real world usecases
11
Performance
Learn how to keep databases running fast and efficient in production

Join 48,175 students in the Learn SQL course

Read reviews of their learning experiences

Feel like it could have more SQL exercises/puzzles

(4/5)
Yohan Yan profile image

Yohan Yan

United States

Really nice introduction to SQL. Essential!

(5/5)
Ziro  profile image

Ziro

Nairobi, Kenya

I used this course to refresh my SQL knowledge and it seems to cover most if not all my previous knowledge and added to it. Very easy to get into.

(5/5)
Louis Van Steelant profile image

Louis Van Steelant

Bruges, Belgium

very good platfrom to learn the basics with tasks to complete .

(5/5)
nithya raichur profile image

nithya raichur

India

Great. Straightforward and easy to understand.

(5/5)
Samuel Robinson profile image

Samuel Robinson

Australia

Really good course, I really enjoyed it!

(5/5)
Francois Schoeman profile image

Francois Schoeman

South Africa

Super useful and complete course of SQL. I'm curious how would it work with Python.

(5/5)
notjjusann  profile image

notjjusann

Belgium

Muito bom

(5/5)
Lucas Alves profile image

Lucas Alves

Brazil

Boot.Dev managed to make even SQL an interesting thing to learn.

(5/5)
Yuri  profile image

Yuri

United States

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Frequently asked Questions

Got questions? We've got answers

Yes! It's free to create an account and start learning. You'll get all the immersive and interactive features for free for a few chapters. After that, if you still haven't paid for a membership, you'll be in read-only (content only) mode.