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Data Warehouse Defined

By Deborah Radcliff
October 9, 2001 12:00 PM ET

Computerworld - Stefan Jon Silverman, president of SJS Associates NA, a technology strategy consultancy in San Francisco, offers the following outline of the characteristics that define a data warehouse:


  • Characterized by an I/O profile favoring batch process reads from the data store.Updates are usually accomplished by batch processes.

  • Data storage is long term and usually of a time-series nature.

  • Stores are implemented in hierarchical fashion, characterized by a big raw data store and successive levels of summarization in query tables.

  • Uses are mostly for decision-support, statistical analysis and customer relationship management systems.

















Guarding the data warehouse gate



If Your Warehouse Is Outsourced



Data Warehouse Defined



Related links:



Data Management Vendors



Encryption Vendors



Privacy Automation Vendors

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