SQL Window Functions for Northwind Traders

In this project, you'll step into the role of a data analyst at Northwind Traders, an international gourmet food distributor. Using PostgreSQL window functions and CTEs on the company's database, you'll analyze various aspects of the business, including employee performance, product sales, category performance, sales growth, and customer purchase behavior. Throughout the project, you'll construct complex SQL queries to calculate metrics, rank data, and identify trends. Your insights will help management make data-driven decisions to boost productivity, optimize inventory and marketing strategies, monitor company progress, and target high-value customers. By the end, you'll have honed your SQL skills and be able to apply these advanced techniques to real-world business scenarios. Objective: Use SQL window functions and CTEs to analyze sales data and provide actionable insights to drive strategic business decisions at Northwind Traders.