Author Question: Discuss the three-layer data architecture. What will be an ideal ... (Read 49 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?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

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.

For a complete list of videos, visit our video library