There is a great deal of confusion over the meaning of data warehousing. Simply defined, a data warehouse is a place for data, whereas data warehousing describes the process of defining, populating, and using a data warehouse. Creating, populating, and querying a data warehouse typically carries an extremely high price tag, but the return on investment can be substantial. Over 95% of the Fortune 1000 have a data warehouse initiative underway in some form.
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warehousing design skills to IT groups, and helps selected clients with specific data warehouse designs. Ralph is a columnist for Intelligent Enterprise magazine and has a relationship with Sagent Technology, Inc., a data warehouse tool vendor. His book The Data Warehouse Toolkit is widely recognized as the seminal work on the subject. In order to clear up some of the confusion that is rampant in the market, here are some definitions: Data Warehouse: The term Data Warehouse was coined by Bill Inmon