SQL Prep vs SQLearn

Learn SQL the fun way. SQL Quiz turns database queries into an interactive game — no boring tutorials, no endless videos. Just real challenges that teach you SQL by doing. You see a table. You get a task. You write the query. If it runs correctly, you level up. Simple. In the age of AI, SQL is still the #1 skill for anyone working with data. SQL Quiz makes learning it feel like a game. HOW IT WORKS 1. See a real database table with sample data 2. Read the challenge — e.g. "Find all orders over $100" 3. Write your SQL query 4. Get instant feedback with detailed explanations 5. Earn XP, keep your streak, and track your progress TOPICS COVERED - SELECT, WHERE, ORDER BY — Start here - GROUP BY, HAVING, COUNT — Level up - JOIN, LEFT JOIN, INNER JOIN — Get serious - Subqueries & Window Functions — Go pro - Real-world interview scenarios — Boss levels AI-POWERED SQL GENERATOR Describe what you need in plain English, and our AI converts it to optimized SQL instantly. Perfect for learning query patterns and understanding complex joins. WHY SQL QUIZ? - Learn by doing, not watching - 5-minute daily practice sessions - 40+ expert-crafted challenges across all levels - AI-powered hints when you're stuck - Track your progress with XP and streaks - Interview prep mode for job readiness PERFECT FOR - Students learning databases for the first time - Career switchers moving into data analytics - Data analysts sharpening their SQL skills - Developers refreshing SQL knowledge - Anyone preparing for technical interviews FREE TO START Practice daily with free challenges. Upgrade to Pro for unlimited access and advanced topics. PRO FEATURES - Unlimited daily challenges - Advanced topics (CTEs, Window Functions) - Streak protection — never lose your progress - Priority AI-powered hints - Full interview prep mode SUBSCRIPTION INFO SQL Quiz Pro is available as a monthly ($4.99) or yearly ($39.99) auto-renewable subscription. Payment is charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in Settings. Terms of Use: https://mergisi.github.io/AI-SQL-Code-Generator/terms-of-use.html Privacy Policy: https://mergisi.github.io/AI-SQL-Code-Generator/privacy-policy.html Master SQL — one query at a time.

SQLearn teaches SQL the way it actually works — by writing and running queries LEARN Structured lessons cover everything from basic SELECT statements to JOINs, aggregations, window functions, CTEs, and transactions. Lessons end with a short quiz and a direct shortcut into the Playground so you can try what you just learned. PLAYGROUND A SQL editor with syntax highlighting and a keyword toolbar built for iPhone. Write any query, pick a schema, and run it — results appear instantly. Choose from built-in schemas or create your own with custom seed data. EXERCISES Guided tasks built around database schemas. Write your solution, run it, and compare it against the expected result. Stuck? Reveal the model answer and see exactly where your query differed. WHO IS THIS FOR? – Beginners learning SQL from scratch – Anyone who want to refresh or deepen their SQL skills TECHNICAL – Built-in SQLite engine, no dependencies, fully offline – Syntax highlighting and keyword toolbar in the editor – Schema viewer with table structure on demand – Supports iOS 17 and later