query-optimization-catalog

SQL query optimization catalog. An extension skill for performance-analyst that provides index strategies (B-Tree/Hash/GIN/GiST), execution plan analysis, N+1 problem resolution, partitioning strategies, and per-pattern optimization techniques for slow queries. Use when performing DB performance analysis involving 'query optimization', 'index design', 'execution plans', 'N+1 problems', 'partitioning', 'slow queries', etc. Note: data modeling and security configuration are outside the scope of this skill.