Which Statements About Data Warehousing Is Not Correct

question 89

Multiple Choice

Which statements about data warehousing is not correct?

• A) The data warehouse should be separate from the operational system.
• B) Data cleansing is a process of transforming data into standard form.
• C) Drill-down is a data-mining tool available to users of OLAP.
• D) Normalization is an requirement of databases included in a data warehouse.

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Definitions:

Power Steering Fluid

A specially formulated hydraulic fluid used in the power steering system to transmit power and reduce friction.

Restricted Exhaust

A condition where the flow of exhaust gases out of the vehicle's engine is obstructed, leading to decreased performance and efficiency.

Running Compression Test

A compression test done at running rpm to check the breathing ability of the engine, specifically to see if the valve train is opening and closing the valves sufficiently.

Piston Slap

A condition where there is excessive lateral movement of the piston within its cylinder, leading to a knocking noise.