40% Learning, 60% Practice Methodology
Master SQL Through Hands-On Practice
Stop watching tutorials. Start writing queries. Our interactive platform teaches SQL with concise theory and real database exercises with instant feedback.
Concise Learning Cards
Each concept broken into digestible cards with syntax, examples, and common pitfalls
In-Browser SQL Editor
Write and run real SQL queries against practice databases with instant results
Auto-Graded Exercises
Get immediate feedback, hints, and explanations for every practice question
The 40/60 Learning Method
Research shows that active practice is more effective than passive learning. Our modules are designed with this in mind.
40%
Learning
- Definition cards explaining core concepts
- Syntax reference with annotated examples
- Common pitfalls and best practices
- Quick comprehension checks
60%
Practice
- Multiple choice concept checks
- Fix-the-query debugging tasks
- Write-a-query challenges with auto-grading
- Progressive hints and model solutions
What You'll Learn
Comprehensive SQL curriculum from fundamentals to advanced topics
SELECT Queries
Data Types
NULL Handling
JOINs
GROUP BY
ORDER BY
WHERE & HAVING
Subqueries
INSERT/UPDATE
DELETE/TRUNCATE
CREATE TABLE
Indexes
Views
Aggregations
String Functions
Window Functions