소개
This skill serves as a comprehensive guide for managing both document-oriented (MongoDB) and relational (PostgreSQL) databases within Claude. It assists developers in selecting the ideal database architecture for their specific use case, writing complex queries or aggregation pipelines, and optimizing index performance. Beyond basic CRUD operations, the skill provides deep technical guidance on production-level tasks including schema migrations, replication, sharding strategies, and disaster recovery, ensuring your data layer is both scalable and resilient.