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Author Question: Discuss the four key terms (subject-oriented, integrated, time-variant, and nonupdateable) related ... (Read 58 times)

Beheh

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on: Jul 7, 2018
Discuss the four key terms (subject-oriented, integrated, time-variant, and nonupdateable) related to data warehousing.
 
  What will be an ideal response?

Question 2

Research shows that if an online customer does not get the service he or she expects within a few ________, the customer will switch to a competitor.
 
  A) seconds
  B) minutes
  C) hours
  D) days
Modern Database Management ¦ Hoffer, Venkataraman, Topi ¦ 13th Edition
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Benayers

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

A data warehouse is subject-oriented, meaning that it is organized around key subjects of the enterprise. It is also integrated, meaning that the warehouse holds verified data that is the gold standard. It is also time-variant, meaning that we keep track of time using a time dimension. Finally, a data warehouse is nonupdateable, meaning that data are loaded from operational systems and not users.

Answer to Question 2

A


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