Create an alternative E-R model with two entities, Assignment 6 help

  

Examine the Subscription Form shown in the Figure below. Using the structure of this form, do the following:
Assg6.jpg
Create an E-R model with one entity. Specify the identifier and attributes.
Create an alternative E-R model with two entities, one for Customer and a second for Subscription. Specify identifiers, attributes, relationship name, type, and cardinalities.
Under what conditions do you prefer the model in A to that in B? Under what conditions do you prefer the model in B to that in A?

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