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CISSP Study Guide: Data Warehousing

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By: Cybrary

December 15, 2022

A data warehouse is an electronic vault of data from multiple different databases that is available to users for making queries. These warehouses have been merged, integrated, and formulated so they can be used as a measurement in trend analysis and business matters.

It offers a strategic view. To produce a data warehouse, data is retrieved from an operational database, repetitive content is removed, and the data is normalized. The data is then transferred into a relational database and can be analyzed by using On-Line Analytical Processing (OLAP) and statistical modeling tools. Data that is kept in a data warehouse must be maintained to ensure that it is timely and valid.

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