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Learn SQL

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

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 44,567 students in the Learn SQL course

Read reviews of their learning experiences

noice!!!!

(5/5)
Ambuj Seth profile image

Ambuj Seth

Lucknow, India

One of the best things I like about the course is that it levels up your skills in every exercise with the necessary knowledge.

(5/5)
Raj Kumar Sunar profile image

Raj Kumar Sunar

United Kingdom

was a fun one

(5/5)
Mark Andre Riebesel profile image

Mark Andre Riebesel

Hamburg,Germany

Great SQL Course!

(5/5)
Abdullah Yousuf profile image

Abdullah Yousuf

Dhaka, Bangladesh

Great course!

(5/5)
Eriberto Junior profile image

Eriberto Junior

Brazil

Nice course to give the fundamentals about sql

(5/5)
Armand van Alphen profile image

Armand van Alphen

Utrecht, Netherlands

fun

(5/5)
Yah oo profile image

Yah oo

United States

Good course form beginners or those that want to freshen up their SQL skills. Or to get a bit of experience with Sqlite .

(5/5)
Marcus Kiønig profile image

Marcus Kiønig

Norway

Very straightforward and beginner friendly, as always. Lessons are easy to grasp and applications are easy to visualize.

(5/5)
Sean Tiu profile image

Sean Tiu

Philippines

Showing 1-9 of 534

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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.

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