概要
The Unified Database Management skill is a comprehensive toolkit designed to help developers master both NoSQL and relational data architectures. It provides specialized guidance for MongoDB's document-oriented model and PostgreSQL's powerful SQL capabilities, offering implementation patterns for everything from basic CRUD operations to complex aggregation pipelines and window functions. Whether you are building a rapid prototype that requires schema flexibility or a high-integrity financial system, this skill assists with performance tuning, database migrations, and production-ready security configurations.