34 DB2 II and WPS Synergy
Both data consolidation or placement, and distributed access data consolidation
serve distinct problem domains and are very complementary — they may be
used alone or together to form the heart of what is required to integrate
information.
Both approaches require extensive and largely common supporting functionality.
Neither distributed access nor data consolidated or placement can exist without
mapping and transformation functionality, which ensures data integrity.
Furthermore, depending on the business requirement, the same data may need
to be consolidated in some cases and federated in others. Therefore, a common
set of transformation and mapping functionality is required in both cases to
maintain consistency ac ...