Which Statements About Data Warehousing Is Not Correct

question 93

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 a requirement of databases included in a data warehouse.

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Definitions:

Selection Technique

A method or process used in hiring, such as interviews or tests, to identify the most suitable candidates for a position based on their skills, experience, and attributes.

Consistency

The quality of always behaving or performing in a similar way, or of always happening in a similar way.

Unstructured

Lacking a defined organization, format, or structure, often leading to unpredictability in processes or outcomes.

Formal

Pertains to actions, processes, or appearances that are done in accordance with established rules, conventions, or etiquette.