August 2012
Intermediate to advanced
422 pages
10h 46m
English
book
Complete Analytics with IBM DB2 Query Management Facility: Accelerating Well-Informed Decisions Across the Enterprise
by Kristi Ramey, Mike Biere, Peter Richardson, Shawn Sullivan, Jeremy Weatherall
Content preview from Complete Analytics with IBM DB2 Query Management Facility: Accelerating Well-Informed Decisions Across the Enterprise
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Chapter 7. Defining virtual data sources to reduce complexity for business users 143
7.3 Creating a virtual data source that federates data from
multiple sources
Enterprise data stores typically evolve over time. New systems are added alongside existing
infrastructure to meet demand for new capabilities or to accommodate merges or corporate
restructures. Inevitably, this results in data scattered across a number of distinct databases.
For example, Spiffy Insurance stores its business and customer data primarily in DB2 for
z/OS. This data includes sales by insurance product, region, date, and customer. However, as
the result of an acquisition, Spiffy inherited a product administration system that is built within
an Oracle database. Recognizing ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.