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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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