SQLinion is a free and beginner-friendly open-source SQL course built entirely using .sqlnb notebooks. It’s crafted to guide absolute beginners through the journey of mastering SQL — from basic queries to complex data manipulation and analysis.
- Start Date: 27th May 2025
- End Date: Ongoing
- Total Time Required: (Ongoing)
| Name | GitHub Profile | LinkedIn Profile |
|---|---|---|
| Yash Suhas Shukla | GitHub |
SQLinion isn’t just another SQL course — it’s a structured, notebook-driven learning path that’s made for real-world learners.
Whether you're just starting with databases or brushing up for interviews, SQLinion provides:
- 💻 Hands-on SQL practice in
.sqlnbnotebooks - 🧾 Step-by-step query explanations
- 📈 Progressive learning curve — from SELECT to complex JOINs
- 🧪 Practice queries for self-learning
- 📘 A clean, annotated format for easy understanding
All notebooks are stored inside the Course Resources/ folder and are meant to be followed in order.
Each notebook includes:
- ✅ Simple concepts broken down clearly
- ✅ Sample queries with comments
- ✅ Practice questions
- ✅ Clear database schemas and outputs
⚠️ This course is under active development. The first definitive version (v1.0) is expected within the next 2 months.
Even though it’s free and open-source, SQLinion is open to contributors!
You can:
- 🛠 Suggest new topics or improvements
- 📝 Fix typos or enhance query explanations
- 📚 Add new queries or practice tasks
- 💡 Propose real-world database case studies
Fork the repo, push your changes, and open a pull request. Every layer helps someone learn better.
This project is governed by the Creative Commons Zero (CC0 1.0 Universal) license.
That means:
🔓 You can use, remix, teach, share, modify — even for commercial use.
🆓 No attribution or permission required. This is a gift to the data-loving world.
🔗 View Full License Text → CC0 1.0 Universal
SQL is the language of data — and data is the language of decisions.
SQLinion is for those who want to speak it fluently, for free, forever.
If you found this useful, don’t forget to star ⭐ the repository or share it with a fellow learner.
Peel back the layers. Query with confidence. Master SQL with SQLinion. 🧅📊