SQL Practice: Learn Database

Learn SQL in 15-minute daily sessions; no laptop required.

SQL Practice: Learn Database turns idle moments into practical data-skills training. Interactive exercises, real-world datasets, and instant feedback take you from complete beginner to job-ready - all on your iPhone.

Who it’s for

- Career changers entering tech

- Professionals adding SQL to their toolkit

- Students prepping for technical interviews

- Anyone curious about data and databases

Why it’s different

- Real business data – practice on realistic scenarios, not toy tables

- Progressive curriculum – start simple, build confidence, master complex queries

- Mobile-first design – learn anywhere, anytime

- Instant feedback & AI hints – see results, understand mistakes

- Gamified progress – streaks, XP, and achievements keep you motivated

What you’ll master

- SELECT, WHERE, and data filtering

- JOINs and relationship queries

- Aggregations (COUNT, SUM, AVG…)

- Subqueries & advanced techniques

- Core database-design concepts

Stay engaged

- Daily practice challenges

- Hardcore mode for power users

- Detailed progress stats

- Shareable achievements

Start your data journey today. No prior coding experience required — just 15 minutes of curiosity.

Privacy Policy: https://martongreber.github.io/mvp/privacy.html

Terms of Use: https://martongreber.github.io/mvp/terms.html