In this video, I explore the Contoso database, a fictional retail company model created by Microsoft for demo and learning purposes. Using a detailed cheat sheet, I explain its business context, technical architecture, and how its data model supports analytics. From understanding key processes like order fulfillment and sales transactions to breaking down tables, relationships, and KPIs, this video is designed to help you grasp the essentials of Contoso and use it effectively in your BI projects. Whether you’re a beginner or looking to refine your skills, this guide will provide valuable insights to take your understanding to the next level.