Explain how the E-R Diagram is used to prepare database tables. Also, include an explanation of cardinalities.

Chapter 12: Purchasing- Description Flow No. Purchase requisition sent from inventory control (or various departments) to purchasing PO sent to vendor (2a), inventory control (or various departments) (2b), receiving (2c), and accounts payable (2d) 3 Packing slip (with goods) received from vendor 4 Stock notice (with goods) sent to warehouse 5 Notice of goods receipt sent to accounts payable (5a), general ledger (5b), and purchasing (50)