PrepSQL

PrepSQL is the ultimate SQL interview preparation app for developers, data analysts, and anyone targeting tech roles at top companies. 🎯 WHAT YOU GET • 100+ curated SQL questions across all key topics • Timed quizzes with instant feedback and explanations • AI-powered mock interviews with real follow-up questions • Detailed performance feedback after every session • Company-specific question packs (Amazon, Microsoft, TCS, Infosys, Wipro) • Daily fresh AI-generated questions to keep your practice sharp • XP system, streaks, and achievements to stay motivated • Leaderboard to compete with other learners 📚 TOPICS COVERED SQL Basics • JOINs • Aggregations • Subqueries • Window Functions Indexing & Performance • Stored Procedures • Transactions • Query Optimization 🤖 AI MOCK INTERVIEWS Practice like it's the real thing. Our AI interviewer asks you an opening question, then follows up based on your answers — just like a real technical interview. Get scored on clarity, depth, and accuracy with actionable tips to improve. 🏢 COMPANY PACKS Prepare specifically for companies known for tough SQL rounds. Our company packs include questions frequently asked at Amazon, Microsoft, TCS, Infosys, and Wipro — curated from real interview experiences. ⭐ PREMIUM FEATURES Upgrade to Premium for unlimited access to: • All company question packs • Fresh AI-generated questions daily • Ad-free experience • Priority access to new features Not ready to subscribe? Watch a short ad to unlock 30 minutes of full premium access — completely free. 📈 TRACK YOUR PROGRESS Monitor your improvement with detailed stats — quiz scores, XP earned, topics mastered, and your current streak. Sync your progress across devices so you never lose your hard work. Whether you're a fresher preparing for campus placements or an experienced developer targeting a FAANG role, PrepSQL gives you the structured practice you need to crack SQL interviews with confidence. Download free. Start practicing today.