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Creating XML Data Models
16.3.4 Creating Cross-product (Matrix) Groups
Cross-product groups allow you to define a matrix of any number of groups in the
data model. The dimension groups in a cross product may exist in the same data
source or may be combined from different data sources to create a matrix. In support
of this flexibility, the tag is placed within the tag after all
the data sources and groups have been created.
The data type definition for the crossProduct element is:
The following example demonstrates the creation of a single-query matrix.
select * from employees