March 2004
Intermediate to advanced
356 pages
8h 11m
English
book
WebSphere Portal Server and DB2 Information Integrator: A Synergistic Solution
by Nagraj Alur, Isaac Allotey-Pappoe, Chris Delgado, Jayanthi Krishnamurthy, Walter Alvey
Content preview from WebSphere Portal Server and DB2 Information Integrator: A Synergistic Solution
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Chapter 3. DB2 Information Integration architecture overview 37
3.4.1 DB2 II V8.1 overview
DB2 II’s federated technology enables customers to abstract a common data
model across diverse and distributed data and content sources, and to access
and manipulate them as though they were a single source.
As mentioned earlier, with the data federation capability, the federated system
acts as a virtual database with remote objects configured similar to local tables
as shown in Figure 3-3.
Figure 3-3 Data federation technology
With a federated system, you can send distributed requests to multiple data
sources within a single SQL statement; for example, ...
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