The Data in a Data Warehouse Have Which of the Following

question 28

Multiple Choice

The data in a data warehouse have which of the following characteristics?

• A) They are organized by subject.
• B) They are coded in different formats.
• C) They are updated in real time.
• D) They are typically retained for a defined, but limited, period of time.
• E) They are organized in a hierarchical structure.

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Definitions:

True Value

The actual, factual value or correctness of something, often used in the context of measurement, logic, or philosophy.

Unreliable

Lacking consistency or predictability; not able to be trusted to do or provide what is needed or expected.

Median

The median is the central number in a dataset that splits it into two halves of equal size.

Average

A numerical value expressing the central or typical value in a set of data, calculated as the sum of the values divided by the number of values.