🎓 Programming • Beginner
SQL Fundamentals
Answer real business questions with real queries.
A practical intro to SQL for analysts, engineers, and product folks. You'll SELECT, JOIN, GROUP, design tables, use CTEs, and finish with a mini analytics report — all with a free browser-based database.
Duration
4–5 Hours
Level
Beginner
Access
Lifetime
Certificate
Free Digital
Course Progress0%
0/10 modules complete
What you'll learn
- Read and write clean SELECT queries
- Filter, sort, and paginate results
- Aggregate data with GROUP BY / HAVING
- Combine tables with INNER and LEFT JOINs
- Break complex queries into CTEs
- INSERT / UPDATE / DELETE safely
- Design tables with proper keys and constraints
- Write production-quality SQL and avoid injection
Course Modules
Ready for the final challenge?
Complete every module and score at least 3 out of 5 in each Module Quiz to unlock the Final Assessment.