Use a Multi-Source Session Variable in an Expression
After you create the MVCOUNTRY multi-source session variable, you can use it in an expression.
For information about the MVCOUNTRY session variable used in this example, see Create a Multi-Source Session Variable.
This is an example of how to use the multi-source session variable in an expression:
select lastName, firstName, country from employee where country=VALUEOF(NQ_SESSION.MVCOUNTRY)