We also think that the Northwind world could be explored with more "Vertical" things like these. These could also be done without changing the core database.
Expense Tracking and Approval
Accounts Receivable and Payable and Payroll
Business Intelligence - Warehousing, Sales, Trends
Expense Tracking and Approval
Accounts Receivable and Payable and Payroll
Business Intelligence - Warehousing, Sales, Trends