Predicates
Equal
If you use a parameter in your report, don't forget to use the NVL function in your predicate clause such as:
and e.employee_id = nvl(:emp,e.employee_id)
IN
An in predicate parameters passing a NULL value for no selection.
Configuration:
SQL:
select division from divisions where
(
division in (:DivisionName)
or (coalesce(null, :DivisionName) is null)
)