The definitive guide for Architects. Covers Storage Engines, Distributed Systems Theory (CAP, PACELC), Transactions, Sharding, Glossary, and FAQ.
Foundation of DB Design. Splitting tables to prevent Anomalies. 1NF, 2NF, 3NF explained simply.
Once you ship a public API, you can't change it freely. Compare four versioning strategies for evolving APIs without breaking clients, plus analysis of real-world choices by GitHub, Stripe, and Twilio.
Why is the CPU fast but the computer slow? I explore the revolutionary idea of the 80-year-old Von Neumann architecture and the fatal bottleneck it left behind.
Pringles can (Stack) vs Restaurant line (Queue). The most basic data structures, but without them, you can't understand recursion or message queues.
After 3 years of trial and error, my conclusion is this: "One database is not enough."
Modern services use Polyglot Persistence (multi-database strategy).
Using each tool in the right place is real "architecture."
When I tried to "do everything with MySQL" on my first project, it was like "trying to do all construction with just a hammer." You hammer nails, but you turn screws with a screwdriver. Databases are the same.
If you read this article, you can now confidently say "Our service needs THIS database." And when asked "What is CAP Theorem?" in a technical discussion, you can answer "In practice, it's about choosing CP or AP."
