Introduction to MDX - Professional SQL Server Analysis Services 2005 with MDX - page 117

is the union of the two sets as shown here:
{[Customer].[Country].[Australia],
[Customer].[Country].[Canada]}
Example 2
The result of the MDX expression
{[Customer].[Country].[Australia],[Customer].[Country].[Canada]}*
{[Product].[Product
Line].[Mountain],[Product].[Product Line].[Road]}
is the cross product of the sets as shown here:
{([Customer].[Country].[Australia],[Product].[Product
Line].[Mountain])
([Customer].[Country].[Australia],[Product].[Product
Line].[Mountain])
([Customer].[Country].[Canada],[Product].[Product
Line].[Road])
([Customer].[Country].[Canada],[Product].[Product
Line].[Road])}
Comparison Operators
MDX supports the comparison operators <, <=, >, >=, =, and <>. These oper-
ators take two MDX expressions as arguments and return TRUE or FALSE
based on the result of comparing the values of the MDX expression.
Example