#database-comparison

> **TL;DR:** PostgreSQL is a bare-metal database engine you manage yourself; Supabase wraps PostgreSQL in a hosted platform with auth, real-time APIs, and

I migrated a 50K-user SaaS from PostgreSQL to SQLite. Performance jumped 40%, hosting dropped to $0. Benchmarks and migration guide inside.

> **TL;DR:** Redis wins for complex applications needing data structures and persistence, while Memcached dominates pure key-value caching with 30% better

> **TL;DR:** PlanetScale (serverless MySQL) excels at scaling reads and schema migrations, while Neon (serverless [PostgreSQL](https://jcalloway.dev/go/pos

> **TL;DR:** Convex wins for real-time apps needing instant reactivity, while Supabase dominates for traditional CRUD apps with its mature [PostgreSQL](htt

> **TL;DR:** Upstash offers serverless Redis with pay-per-request pricing starting at $0.2 per 100K requests, while traditional Redis requires dedicated se

> **TL;DR:** Supabase offers a complete backend-as-a-service with [PostgreSQL](https://jcalloway.dev/go/postgresql), auth, and real-time features for $25/m

> **TL;DR:** Turso offers better performance and developer experience with global replication starting at $29/month, while Cloudflare D1 provides generous

> **TL;DR:** [MongoDB Atlas](https://jcalloway.dev/go/mongodb%20atlas) is expensive and vendor-locked. **[PlanetScale](https://[planetscale](https://jcallo

> **TL;DR**: Turso dominates for small-to-medium apps with its edge performance and generous free tier, while MongoDB Atlas remains the go-to for complex d

> **TL;DR**: [PostgreSQL](https://www.postgresql.org/) dominates for complex applications requiring advanced features, JSON handling, and strict data integ