Database

: A single row containing all fields for one entity (e.g., one specific customer’s details).

Start simple. Use SQLite for your prototype. Switch to PostgreSQL when you need concurrency. Add Redis when you need speed. And add a Vector DB when you need AI. database

Designed for unstructured or semi-structured data. These are highly scalable and flexible, making them ideal for big data applications and real-time web apps. : A single row containing all fields for one entity (e

Designing a database is about more than just making tables; it’s about creating a system that stays fast, reliable, and organized as it grows. Whether you're a developer or just curious, here’s a deep dive into how modern databases actually work. 1. The Architectural Core database