Evaluate your real-world SQL readiness against 3 curated technical screening challenges: Aggregations with HAVING, Window Functions with LAG, and JSONB Analytics.
Mirrors FAANG & tier-1 SaaS live coding screenings.
Aggregations, conditional filtering with HAVING, and revenue metrics.
Time-series window functions using LAG() and percentage delta calculations.
High-throughput audit extraction, arrow operators, and integer casting.