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 DATA WAREHOUSE Definition
We define DATA WAREHOUSE |
DATA WAREHOUSE - A large database where information is gathered from various online transaction systems. Usually, this information is put together and "mined," as in datamining, to learn more about customers or customer purchasing habits. Data warehouses are used to gather information that may not be obvious when viewed in one context, but when grouped together in the data warehouse and properly queried, you can find out useful information. For example, a supermarket may find out that 47% of its customers buy light bulbs at the same time that they purchase shoelaces. Some of this data may be useful in a business sense, and some of it not so useful. |
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