Advanced SQL Query Optimization is a database engineering product available on the Whop marketplace, created by krulishsolomon and launched in May 2026.

A comprehensive, hands-on course designed for backend engineers who want to eliminate slow queries, master execution plans, and build high-performance database layers. Taught by a FastAPI engineer with real-world production experience, you'll learn indexing strategies, query rewriting, join optimization, partitioning, and advanced PostgreSQL/MySQL tuning — all through practical exercises on realistic datasets. What you'll master: • Reading and interpreting EXPLAIN / EXPLAIN ANALYZE output like a pro • Designing indexes that actually get used — composite, partial, covering, and expression indexes • Rewriting subqueries, CTEs, and window functions for 10-100x speedups • Join ordering, hash vs. merge vs. nested loop selection, and when the planner gets it wrong • Connection pooling, query caching, and FastAPI-specific integration patterns • Partitioning strategies for tables with 100M+ rows • Real-world case studies from production FastAPI applications This isn't theory. Every module includes runnable SQL, benchmarking exercises, and before/after performance comparisons. By the end, you'll audit any slow query in under 5 minutes and know exactly how to fix it.

Advanced SQL Query Optimization has is priced at $227/week.

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