Intriguingly, PostgreSQL is both popular and underrated. Many people use it because it's for free, not knowing its superpowers. Postgres has become a model example of how to create relational databases. In many elements, a model engine. We will look at its unusual features, such as partitioning, push notifications, rich extensions ecosystem etc. We will avoid boring scenarios, play with the code and see what it can be useful for in practice. We'll end up with a simple but real fleet management reporting and alerting scenario.