Est. Budget: $60.00
Part I: Entity-Relationship Diagram (20 marks)
Consider modelling certain features of an online shop which allows users to purchase items and rate them. The online shop has a number of users, each of whom has an identifier and a name specified. The shop sells a number of items, each with an identifier, a description, a single category under which it is classified, and a current price. Users can buy items from the shop, with the price paid recorded for each ...