July 2010
Intermediate to advanced
400 pages
9h 37m
English
book
DW 2.0: The Architecture for the Next Generation of Data Warehousing
by W.H. Inmon, Derek Strauss, Genia Neushloss
Content preview from DW 2.0: The Architecture for the Next Generation of Data Warehousing
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Chapter 3 DW 2.0 components—about the different sectors
DW 2.0 is made up of four different sectors: the Interactive Sector, the Integrated Sector, the Near Line Sector, and the Archival Sector. Depending on the size and age of the data warehouse, different sectors will either be in use or not be in use. For example, in the early days of a data warehouse, it is unlikely that any archival data will be present. For a small data warehouse, there may never be any near-line storage. The exact implementation of the DW 2.0 data warehouse varies considerably among different corporations.
Each of the different sectors has its own set of considerations and characteristics. Indeed, within the same sector, the considerations for structured data and unstructured ...
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