My favourite kind of engineering is plumbing. Give me a firehose of data, a stream of video, or a pile of images and a pipeline to push them through, and I'm happy. Here's why — and the sprawl of tools it takes.
REMA configures real hardware across 500+ enterprise sites — meters, sensors, controllers, gateways. When a bad write can mis-configure a physical device, the backend's job stops being CRUD and starts being safety.
A schema is a promise you make to your future self. After designing MySQL schemas for configuration-heavy systems, here's what I've learned about the promises worth keeping.