What is extraction, transformation, and loading?
A. It is a process that is performed at the end of the data warehouse model prior to putting the information in a cube
B. It is a process that extracts information from internal and external databases, transforms it using a common set of enterprise definitions, and loads it into a data warehouse
C. It is a process of entering data, tracking data, and loading it into a database
D. It is a process that is performed at the beginning of the data mining model
Answer: B
You might also like to view...
Consider four investments, where risk is measured by the standard deviation. The investments are identical in every way except for their expected return and risk: Investment A:expected return = 2 percent, risk = 5 percentInvestment B:expected return = 5 percent, risk = 4 percentInvestment C:expected return = 14 percent, risk = 20 percentInvestment Dexpected return = 6 percent, risk = 12 percent ? If a risk-averse investor can buy only one of the four investments and compares each investment with the other three, which investment option would he never choose?
A. Investment A, because its expected return is lower than Investment B and its risk is higher. B. Investment B, because its expected return is so much lower than Investment C. C. Investment C, because its risk exceeds its expected return. D. Investments D, because the expected return to investment D is so much lower than Investment C.
Alduro Chemicals, a manufacturer of detergents, delivers chemicals used for commercial washing to various hoteliers in the United States
Most of the company's revenue comes from routine orders from its existing customers and the company uses unskilled salespeople to collect requirements from its customers. These unskilled customers are known as ________. A) demand creators B) deliverers C) missionaries D) order takers E) solution vendors
In a petty cash fund, the current cash amount minus the receipts submitted should equal the original fixed amount
Indicate whether the statement is true or false
What is another name for the multiple-question approach?
What will be an ideal response?