소개
The Databases skill provides a comprehensive toolkit for working with PostgreSQL and MongoDB, bridging the gap between relational and document-based architectures. It assists in everything from initial schema modeling and complex query construction to high-level production tasks like sharding, replication, and performance tuning. Whether you are building ACID-compliant financial systems or flexible IoT data stores, this skill provides the patterns, scripts, and best practices needed to ensure data integrity and scalability across diverse database environments.
