Example: Draw rectangles to represent tables and then indicate multiplicities. Sales Customer 1. The relationship between Rental Inventory and Rental Agreements where a business rents power tools (not all of which get rented) and writes separate rental agreements for each tool, so renters don't have to return all items at the same time. 2. An employee table and a supervisor table in a typical, hierarchical organization where every employee reports to one supervisor. A department may only have a supervisor level employee