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    POWERED BY UPSCALE ANALYTICS

    Build SQL Expertisewith SQiLs

    Focused practice environment designed by data veterans. Master real-world data problems through hundreds of challenges.

    No credit card required. Start in seconds.

    SQL Practice Platform - Interactive Code Editor

    100% Browser-Based

    No setup, just code.

    Expert-Curated Library

    New challenges added regularly.

    Guided Solutions

    Step-by-step logic and explanations.

    Built by the Industry, for the Industry

    RK

    Ram Kedem

    Founder of Upscale Analytics & SQL Author

    SQL Expert
    Founder of Upscale Analytics

    Author of multiple SQL books and founder of Upscale Analytics. A teacher at heart with over 20 years of experience, Ram has helped thousands bridge the gap between theory and industry expertise.

    MW

    Michael Winer

    Principal Data Scientist & Platform Architect

    Principal Data Scientist
    AI & ML Architect

    With 8+ years of building production-grade AI and analytics platforms, Michael brings the technical edge of real-world engineering. He specializes in high-scale ML models and production LLM systems.

    Built on Decades of Experience. Proven by Thousands.

    Having trained thousands of data professionals over the last 20 years, we've seen first-hand where theory fails and practice succeeds. SQiLs was built to bridge that gap. We provide the high-volume, real-world practice environment that helps you stop learning syntax and start owning the logic.