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Building the Unstructured Data Warehouse: Architecture, Analysis, and Design by Krish Krishnan, W. H. Inmon

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A data warehouse was a new structuring of data. A data warehouse is a subject-oriented, integrated, non volatile, time variant collection of data in support of management’s decisions[3]. The architecture of the data warehouse represented a real and positive path that organizations could take in order to free themselves from the spider’s web systems (sometimes called the “silo systems environment”). Prior to data warehousing, there simply was no notion of “corporate data”. Everything in the spider’s web environment was application data. As data was put into a data warehouse from the spider’s web environment, the data passed through an integration process. In passing through an integration process, the data went from ...

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