Interactive SQL Tutorial

Learn SQL by Actually Writing It

Forget passive video courses. Seaquel's built-in tutorial puts you in front of a real database from the first minute. Write queries, see results, and build confidence through hands-on practice.

How the Tutorial Works

No theory overload. Each lesson gives you a goal, a real database, and a place to write SQL. You learn by doing.

Progressive Lessons

Start with SELECT and work your way up to JOINs, aggregations, subqueries, and window functions. Each lesson builds on the last.

Visual Query Builder

Drag and drop tables onto a canvas and connect them visually. See how SQL clauses map to what you build — it makes JOINs click.

SQL Sandbox

A free-form playground with a sample e-commerce database pre-loaded. Experiment with any query — no risk, no setup, instant results.

What You'll Learn

A structured curriculum that takes you from your first query to writing advanced SQL with confidence.

SELECT, WHERE, and filtering data
Sorting with ORDER BY
Aggregations: COUNT, SUM, AVG, MIN, MAX
GROUP BY and HAVING clauses
INNER, LEFT, RIGHT, and FULL JOINs
Subqueries and nested SELECTs
Common Table Expressions (CTEs)
Window functions: ROW_NUMBER, RANK, LAG

Try It Right Now

This is the real app running in your browser. Click below to open the interactive SQL tutorial.

Live Interactive Tutorial

Click anywhere to start exploring ·

Learn SQL Inside Your Database Client

The tutorial runs right inside Seaquel — practice on sample data, then switch to your own database and apply what you've learned. Download for the full experience.

Free forever
No account required
Works offline