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Databases Illuminated, 4th Edition
book

Databases Illuminated, 4th Edition

by Catherine M. Ricardo, Susan D. Urban, Karen C. Davis
March 2022
Intermediate to advanced content levelIntermediate to advanced
682 pages
22h 58m
English
Jones & Bartlett Learning
Content preview from Databases Illuminated, 4th Edition

15.1 Origins of Data Warehousing

Beginning in the 1960s, many organizations started to use database technology to collect, store, and process massive amounts of their operational data. The primary purpose of these databases is to support current transactions using real-time processing. An operational database provides a view of the organization’s current operations. As data becomes outdated, old records are usually deleted or archived, and the operational database is refreshed and populated with more current data. In the 1980s, business leaders began to realize that historical data has value as well. In combination with current data, it can be used to help them make better business decisions. Decisions such as where to open a new store, what ...

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Publisher Resources

ISBN: 9781284231595