This comprehensive skill guide focuses on Amazon Aurora DSQL, a serverless, PostgreSQL-compatible distributed SQL database. It provides deep technical knowledge covering schema management, direct query execution via MCP tools, multi-tenant isolation, and full migration support (e.g., MySQL to DSQL). Users will learn advanced concepts like DDL operations, IAM authentication, and diagnosing slow queries using detailed plan explainability analysis, making it essential for building scalable, robust applications.