1.1. Develop an Entity Relationship (ER) model to characterize the information requirements of business illustrates in the case study mentioned above. The diagram of your ER model must: -Marks: 25% A....

1.1.    Develop an Entity Relationship (ER) model to characterize the information requirements of business illustrates in the case study mentioned above. The diagram of your ER model must:     -Marks: 25%


A.    Demonstrate all necessary entities
B.    Demonstrate all attributes

C.    The relationships between entities
D.    Demonstrate unique identifiers and nature of interaction among entities