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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