StrataScratch

StrataScratch provides SQL and Python practice problems sourced from actual data science interviews at major tech companies. Free tier with limited problems; Premium at $29/month unlocks 1000+ problems with solutions. Problems are categorized by company (Google, Meta, Amazon, Netflix, etc.), difficulty, and topic, enabling targeted preparation for specific interview processes. Each problem includes expected output, hints, and video explanations. The platform emphasizes real interview question patterns rather than textbook exercises. Topics cover window functions, CTEs, complex joins, and analytical reasoning, skills tested in data science interviews. Coding environment executes queries against problem datasets. Discussion forums enable community solution comparison. No AI features, human-curated content from interview experience reports. Best suited for data science and analytics job seekers preparing for technical interviews. Page should cover: problem categorization system, company-specific preparation, free vs Premium comparison, platform exercise format, comparison with LeetCode and HackerRank, and interview preparation strategy.