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Database Processing: Fundamentals, Design, and Implementation 13th Edition by David Kroenke, David Auer
Edition 13ISBN: 978-0133058352Database Processing: Fundamentals, Design, and Implementation 13th Edition by David Kroenke, David Auer
Edition 13ISBN: 978-0133058352 Exercise 14
Answer Project Question 5.56, but use UML instead of the crow's foot model.
NOTE: Microsoft Visio 2010 and Microsoft Visio 2013 both have a UML template, and the drawings below were done using the Microsoft Visio 2010 template.
PQ 5.58 - Examine the subscription form shown in Figure 5-53. Using the structure of this form, do the following:
a. Create a model with one entity. Specify the identifier and attributes.
b. Create a model with two entities, one for customer and a second for subscription. Specify identifiers, attributes, relationship name, type, and cardinalities.
c. Under what conditions do you prefer the model in A to that in B?
d. Under what conditions do you prefer the model in B to that in A?
NOTE: Microsoft Visio 2010 and Microsoft Visio 2013 both have a UML template, and the drawings below were done using the Microsoft Visio 2010 template.
PQ 5.58 - Examine the subscription form shown in Figure 5-53. Using the structure of this form, do the following:
a. Create a model with one entity. Specify the identifier and attributes.
b. Create a model with two entities, one for customer and a second for subscription. Specify identifiers, attributes, relationship name, type, and cardinalities.
c. Under what conditions do you prefer the model in A to that in B?
d. Under what conditions do you prefer the model in B to that in A?
Explanation
Verified
Verified
a.
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Database Processing: Fundamentals, Design, and Implementation 13th Edition by David Kroenke, David Auer
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