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Which of the following is the most important element in the design of a data warehouse?

Which of the following is the most important element in the design of a data warehouse?

A. Quality of the metadata

B. Speed of the transactions

C. Volatility of the data

D. Vulnerability of the system

Explanation:

Quality of the metadata is the most important element in the design of a data warehouse. A data warehouse is a copy of transaction data specifically structured for query and analysis. Metadata aim to provide a table of contents to the information stored in the data warehouse. Companies that have built warehouses believe that metadata are the most important component of the warehouse.


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