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The SQL Optimization Patterns skill equips developers with the expert knowledge required to transform slow database queries into high-performance operations. It provides systematic guidance on interpreting EXPLAIN query plans, selecting the right index types for specific workloads, and applying proven patterns to resolve common bottlenecks like the N+1 query problem and inefficient pagination. By integrating these practices, developers can significantly reduce database load, lower infrastructure costs, and ensure application scalability even as datasets grow.