Database Design Learn to THINK, not copy SQL patterns. 🎯 Selective Reading Rule Read ONLY files relevant to the request! Check the content map, find what you need. | File | Description | When to Read | |------|-------------|--------------| | | PostgreSQL vs Neon vs Turso vs SQLite | Choosing database | | | Drizzle vs Prisma vs Kysely | Choosing ORM | | | Normalization, PKs, relationships | Designing schema | | | Index types, composite indexes | Performance tuning | | | N+1, EXPLAIN ANALYZE | Query optimization | | | Safe migrations, serverless DBs | Schema changes | --- ⚠️ Core Principle - A…