Author Question: Discuss the four key terms (subject-oriented, integrated, time-variant, and nonupdateable) related ... (Read 63 times)

Beheh

  • Hero Member
  • *****
  • Posts: 520
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


Benayers

  • Sr. Member
  • ****
  • Posts: 328
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

For a complete list of videos, visit our video library