5.56 Examine the subscription form shown in Figure 5-53. Usingthe structure of this form, do the following:
a. Create a model with one entity. Specify the identifier andattributes.
b. Create a model with two entities, one for customer and a secondfor subscription. Specify identifiers, attributes, relationshipname, type and cardinalities.
c. Under what conditions do you prefer the model in A to that inB?
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5.56 Examine the subscription form shown in Figure 5-53. Using the structure of this form, do the following: a. Create a
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