Which of the following is the most important element in the design of a data warehouse?
Quality of the metadata
Speed of the transactions
Volatility of the data
Vulnerability of the system
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.