1.”E-R Diagram” Please respond to the following:
Select the most important component of an E-R model and explain your reasons for choosing it.
Describe the organizational documents you could gather to help in the construction of an E-R diagram.
Which organizational document do you believe is the most important one for the data designer? Why?
2. “Extended E-R Model” Please respond to the following:
Describe a situation where the E-R diagram would be inappropriate and there would be a need to use an Extended E-R model over the standard E-R diagram.
From the e-Activity, describe in your own words how the E-R diagram helps us understand the relationships among entities for the example you selected. Outline the essential relationships of the E-R diagram you selected.