Preface
The main subject of this book is data warehousing. A data warehouse is a special kind of database that, in recent years, has attracted a great deal of interest in the information technology industry. Quite a few books have been published about data warehousing generally, but very few have focused on the design of data warehouses. There are some notable exceptions, and these will be cited in this book, which concentrates, principally, on the design aspects of data warehousing.
Data warehousing is all about making information available. No one doubts the value of information, and everyone agrees that most organizations have a potential “Aladdin's Cave” of information that is locked away within their operational systems. A data warehouse can ...
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