Chapter 10. Accessing DB2 dimensional data using Integration Server Bridge 459
From a DB2 Cube Views perspective, the cube that is defined should encompass
the entire hybrid space. When running the Optimization Advisor select the query
type of drill through. The Optimization Advisor will consider the cardinality of the
dimensions and base the slices that it recommends on the dimension with the
greater cardinality, on the assumption that this dimension is the most likely to be
in the relational database.
The Optimization Advisor will attempt to create a low level slice of the data and
then to add one or a few more slices of the data. A key factor ...
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