The data model is based on a subset of tables from the db, including tables Customers, SalesOrderHeader, SalesOrderDetail, SalesTerritory from the schema Sales. Customer.CustomerID (1) -> ...
Microsoft AdventureWorks Database Analysis and Visualization with PowerBI. It's sample database, I chose 'AdventureWorksLT2019.bak' and 'AdventureWorksLT2017.bak' data for analysis & visualization.