소개
This skill empowers Claude to act as a database specialist, offering a comprehensive library of SQL implementation patterns across major dialects like PostgreSQL and MySQL. It covers everything from fundamental CRUD operations and complex joins to advanced window functions, recursive CTEs, and robust schema design with constraints and indexing. Whether you are architecting a new database, writing complex analytical reports, or optimizing slow-running queries, this skill ensures best practices for data integrity and performance through standardized patterns.