Chapter 32: Web-enabled Data Warehousing
Nathan J. Muller
A DATA WAREHOUSE IS AN EXTENSION OF THE DATABASE MANAGEMENT SYSTEM (DBMS), WHICH CONSOLIDATES INFORMATION FROM VARIOUS SOURCES INTO A HIGH-LEVEL, INTEGRATED FORM USED TO IDENTIFY TRENDS AND MAKE BUSINESS DECISIONS. For a large company, the amount of information in a data warehouse could be up to several trillion bytes, or terabytes (TB). The technologies that are used to build data warehouses include relational databases; powerful, scalable processors; and sophisticated tools to manipulate and analyze large volumes of data and identify previously undetectable patterns and relationships.
The benefits of data warehousing include increased revenue and decreased costs due to the more effective ...
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