The Star Schema—The 'Express' Hub
In our digital subway city, some stations are “Hubs.” They sit right in the middle, and every train line passes through them. In data engineering, if you don’t organize your stations, your subway maps will look like a plate of spaghetti. To keep things clean, we use Dimensional Modeling. The most famous layout for speed is the Star Schema. What is a Star Schema? The Star Schema is designed for one thing: Speed. It organizes your data into two distinct types of citizens: Facts and Dimensions. ...