소개
Elevate your data architecture with a comprehensive guide to designing scalable, maintainable, and performant database schemas. This skill provides expert guidance on navigating the complexities of both relational (SQL) and document (NoSQL) databases, covering essential concepts from normalization forms and precise data typing to advanced indexing and polymorphic relationship patterns. Whether you are building a new application from scratch or refactoring legacy systems for scale, it ensures data integrity through strict constraints while offering practical strategies for zero-downtime migrations and read/write performance optimization.