« previous next »

Author Question: Discuss the four key terms (subject-oriented, integrated, time-variant, and nonupdateable) related ... (Read 66 times)

Beheh

  • Hero Member
  • *****
  • Posts: 520
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
Buy Test-Bank


Benayers

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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

An analogy for how cardiac output, resistance, and blood pressure are related. An analogy for how cardiac output, resistance, and blood pressure are related.
Radiation Side Effects, Healing Time, and Intervention Radiation Side Effects, Healing Time, and Intervention
Procedures and Diagnostic Tests Related to the Male Reproductive System Procedures and Diagnostic Tests Related to the Male Reproductive System
Milankovitch cycles interact over time Milankovitch cycles interact over time
Humans are related to Earth’s other organisms Humans are related to Earth’s other organisms
Create a map that integrates the following terms: alternative splicing, constitu Create a map that integrates the following terms: alternative splicing, constitu
Video: Transmission Across a Synapse

For a complete list of videos, visit our video library