Master SQL Through Real-World Problem Solving
Learn SQL the way professionals use it: solving real analytical challenges. Work with authentic business datasets, uncover insights, and improve your skills with instant feedback, guided hints, and immersive scenarios inspired by real corporate challenges.
See DeepSQL in Action
📊 Real Datasets
Train with curated datasets inspired by real companies. Every challenge mirrors genuine business problems faced by analysts and data engineers.
🎯 Guided Challenges
Each challenge includes story context, progressive hints, and clear acceptance criteria to help you level up with purpose — not guesswork.
🏆 Progress & Achievements
Earn XP, complete missions, unlock achievements, and track your SQL evolution across multiple skills and industries.
⚡ Instant Feedback
Your queries are validated instantly with detailed feedback and partial scoring — helping you learn faster through iteration.
Available Modules
Retail Analytics
Investigate sales trends, customer behavior, inventory health, and product performance. Build the SQL foundations used daily by retail analysts around the world.
Logistics & Operations
Solve problems involving delivery delays, warehouse bottlenecks, shipping metrics, and supply chain efficiency — based on real operational scenarios.
E-commerce Insights
Analyze customer journeys, order patterns, marketing attribution, segmentation, and product performance using realistic e-commerce datasets.