Databricks

In our Invisible City, the subway doesn’t just move people from point A to point B. It moves them through a refinement process. When data first arrives at the station, it’s usually messy, tired, and covered in “digital mud.” We can’t let them go straight to the Mayor’s office (the Business Dashboard) looking like that! To fix this, Conductor Mickey uses the Medallion Architecture. It’s a three-stage filtration system that turns “Raw Junk” into “Pure Gold.” ...

In our Invisible City subway system, we’ve already upgraded our shipping containers from old wooden crates (CSV) to futuristic, high-tech pods (Parquet). But a depot full of pods is still just a pile of boxes. If a train crashes while unloading, or if two conductors try to move the same crate at once, you get a “Data Crash.” To solve this, Conductor Mickey uses a special system: Delta Lake. But wait—is “Delta Lake” the same as a “Delta Table”? Let’s clear up the confusion with a trip to the Smart Depot. ...