April 2019
Beginner to intermediate
431 pages
11h 32m
English
book
Data Architecture: A Primer for the Data Scientist, 2nd Edition
by W.H. Inmon, Daniel Linstedt, Mary Levins
Content preview from Data Architecture: A Primer for the Data Scientist, 2nd Edition
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Chapter 5.1
The Siloed Application Environment
Abstract
Classical data architecture begins with application siloed systems. With application silos comes the recognition that data are not integrated. Management cannot look across the corporation and ask the question—“for my corporation….” Another perspective of siloed systems is that they are sometimes called “spider web systems.” In order to transition out of the world of spider web systems, the organization builds a data warehouse. The purpose of the data warehouse is to provide the corporation with integrated, bedrock data that can be relied on. The data warehouse is created by ETL technology. Another purpose of the data warehouse is to provide a place for historical data. Prior to the ...
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