Database Design Patterns Expert guidance for designing scalable database schemas, optimizing query performance, and implementing robust data persistence layers across relational and NoSQL databases. When to Use This Skill - Designing database schemas for new applications - Optimizing slow queries and database performance - Choosing between normalization and denormalization strategies - Implementing partitioning, sharding, or replication strategies - Migrating between database technologies (SQL to NoSQL or vice versa) - Designing for high availability and disaster recovery - Implementing cachi…