This project focuses on the rich Northwind database, which provides a real-world-like platform for exploring and analyzing sales data. Database: https://github.com/pthom/northwind_psql/tree/master Based on the database of Northwind Traders, a fictional international gourmet food distributor, I used the PostgreSQL window functions on the Northwind database, you will provide these essential insights to management, contributing significantly to the company's strategic decisions.