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Author Question: What are the four approaches to reuse? What will be an ideal ... (Read 34 times)

laurencescou

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on: Jul 7, 2018
What are the four approaches to reuse?
 
  What will be an ideal response?

Question 2

When selecting an identifier, one should choose a candidate key that will not change its value over the life of each instance of the entity type.
 
  Indicate whether the statement is true or false


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mbcrismon

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Reply #1 on: Jul 7, 2018
Answer to Question 1

An organization can take four approaches to reuse. Ad hoc reuse allows individuals to find or develop reusable assets on their own. Another approach, facilitated reuse, developers are not required to practice reuse but are encouraged to do so. Managed reuse mandates the development, sharing and adoption of reusable assets. The organization does this by establishing policies and procedures for reuse. The last approach, designed reuse, mandates that components are designed for reuse as they are being developed for a specific application.

Answer to Question 2

TRUE
Explanation: An identifier should not change and also be numeric when possible. If it could change, it may not be unique after the change is made.
CL


laurencescou

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Reply 2 on: Jul 7, 2018
Wow, this really help

scikid

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Reply 3 on: Yesterday
Excellent

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