Question: Which statement is NOT true? a. Drill-down capability is an OLAP feature of data mining tools available to the user. b. The data warehouse should

Which statement is NOT true?
a. Drill-down capability is an OLAP feature of data mining tools available to the user.
b. The data warehouse should be separate from operational systems.
c. Denormalization of data involves dividing the data into very small tables that support detailed analysis.
d. Some decisions supported by a data warehouse are not fundamentally different from those that are supported by traditional databases.
e. Data cleansing involves transforming data into standard business terms with standard data values.

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