概要
This skill provides Claude with a comprehensive framework for identifying and resolving database performance bottlenecks across full-stack applications. It covers essential techniques such as interpreting EXPLAIN query plans, implementing diverse index types including B-Tree and GIN, and applying advanced optimization patterns like cursor-based pagination and batch operations. Whether you are debugging slow-running legacy queries, designing scalable database schemas from scratch, or refactoring application code to eliminate N+1 query issues, this skill offers the specific guidance and implementation patterns needed to minimize database load and maximize application responsiveness.