Learn SQL Online with Real-World Practice
Master SQL with interactive lessons, real business examples, and unlimited sandbox access—all in your browser.
Why SQL Campus is the Best Way to Learn SQL Online
SQL Campus makes it easy to learn SQL by doing. Our interactive SQL course teaches you through real-world examples, hands-on exercises, and instant feedback—right in your browser.
Learn SQL Step-by-Step — From Basics to Advanced
Our structured course is perfect for beginners and career switchers, with content that grows with you. By the end, you’ll be confident using SQL for data analysis, reporting, and technical interviews.
Basic SQL Queries
Learn the foundations of SQL with essential commands like SELECT, WHERE, and ORDER BY. Understand how to retrieve and filter data from any table with ease.
Working with Data
Explore how to sort, group, and aggregate data using GROUP BY, HAVING, and sorting techniques. Perfect for building reports and analyzing trends in datasets.
Joins and Relationships
Master INNER JOIN, LEFT JOIN, and more to combine data from multiple tables. Learn how relational databases work and how to build powerful multi-table queries.
Functions and Expressions
Use SQL functions like COUNT(), SUM(), AVG(), and string/date functions to perform calculations, transform data, and enhance your queries with dynamic logic.
Sub- and Nested Queries
Dive into writing subqueries inside SELECT, WHERE, and FROM clauses. Learn how to solve complex problems with nested logic and layered query design.
Data Manipulation
Get hands-on with INSERT, UPDATE, and DELETE to modify data safely. Learn best practices for writing clean, secure queries that change database content.
Watch the Sample Video
Unlimited SQL Practice in the SQL Sandbox
The SQL Campus sandbox environment lets you write, test, and run SQL queries directly in your browser—no setup or database installation required. It’s perfect for experimenting with concepts as you learn, all in a safe and user-friendly space.
You’ll get unlimited practice using real-world-style data, so you can explore freely, make mistakes, and build confidence without restrictions. Whether you’re reviewing basics or tackling advanced challenges, the sandbox is your personal playground for mastering SQL.
Who Is This Course For?
For Beginners and Career Starters
SQL Campus makes it easy to learn SQL from scratch with guided, interactive lessons. It’s perfect for students, graduates, or anyone starting their journey into data or tech.
For Career Switchers and Job Seekers
Pivot into a data-driven role with hands-on SQL skills that employers look for. Prepare for interviews and real-world tasks through unlimited practice and practical examples.
For Professionals Looking to Upskill
Already in tech, product, or business? Strengthen your SQL skills to analyze data, write better queries, and work more effectively with your team.
Get Started Now
Flexible pricing to match your learning style. Whether you just want the course, unlimited practice, or both — we’ve got you covered.
$19
Course Only
Lifetime Course Access
✅ Lifetime access to the full interactive SQL course
✅ Step-by-step lessons from beginner to advanced
✅ Real-world business scenarios and datasets
✅ Built-in challenges and instant feedback
✅ Quizzes to track your progress
✅ No subscription required
🚫 Sandbox access not included
$5
Sandbox Only
Monthly Subscription
✅ Unlimited access to the SQL sandbox
✅ Practice real SQL on realistic datasets
✅ No install or setup—works in your browser
✅ Perfect for daily practice or interview prep
✅ Cancel anytime, no commitment
🚫 Course access not included
$25
Course + Sandbox
Lifetime Course and Sandbox Access
✅ Full access to the interactive SQL course
✅ Unlimited sandbox practice (lifetime)
✅ Real-world use cases and exercises
✅ Guided lessons, quizzes, and hands-on learning
✅ No monthly fees—pay once, own it for life
✅ Best value: Save over 40% compared to separate plans
⭐ Most popular choice for serious learners
Frequently Asked Questions
What is SQL Campus?
SQL Campus is an interactive platform where you can learn SQL by writing real queries. It includes a full online course and an unlimited SQL sandbox — all in your browser.
Do I need any experience to start?
Nope! The course starts from the basics and explains every concept clearly. It’s designed for beginners — no coding or database experience required.
What makes this course different?
It’s fully interactive. You learn by doing — not by watching videos. Every lesson includes hands-on practice and instant feedback.
How does the sandbox work?
The SQL sandbox is a browser-based SQL environment where you can write, test, and explore queries on your own. No setup or downloads — just open and start typing.
Can I use the sandbox without taking the course?
Yes. The sandbox is available with every account and can be used independently of the lessons if you just want to practice or explore.
What if I get stuck?
Each lesson includes hints and explanations to help you along. And if you’re still stuck, you can reach out for support anytime — we’ve got your back.