Author Question: Discuss the three-layer data architecture. What will be an ideal ... (Read 40 times)

tiffannnnyyyyyy

  • Hero Member
  • *****
  • Posts: 512
Discuss the three-layer data architecture.
 
  What will be an ideal response?

Question 2

Shopping bots are a form of intelligent agent.
 
  Indicate whether the statement is true or false


momtoalll

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

The three-layer data architecture describes how we view data in the data warehouse. The architecture is characterized by operational data, which is stored in various operational systems, and reconciled data, which are stored in the enterprise data warehouse. Reconciled data are intended to be the single source for accurate data used by all decision support applications. Derived data are used by the data marts. It has been selected, formatted and aggregated for decision support applications.

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

For a complete list of videos, visit our video library