Studierende stehen vor dem LC und blicken lächelnd einer Kollegin mit einer Mappe in der Hand nach.

Exercise No. 3: Customer Discounts

Transfer the following verbal description into an ERM

a) Customers (Cust-#) get discounts (Disc-#) on items (Item-#). Each item can only have one discount rate.

b) Items belong to a single category (Categ-ID).