Subject: Database Management

Instructions

Using slide 6 of "03 The Entity-Relationship Model.pptx", explain the relationship of the following with respect to Participation and Cardinality:

1. Supplier and Item

2. Shipment and Supplier

3. Item and Shipment

4. Item and Product

5. Product and Order

6. Order and Customer

Sample E-R Diagram Sends # SUPPLIER Supplies SHIPMENT Includes ITEM CUSTOMER Key Used_in Suomits ENTITY Relationship PROOUCT Requests e ORDER Cardinalities + Mandatory One Mandatory Many et Optional One Optional Meny