You can modify the name of the subquery filter, select the data values associated with a data item, use mathematical logic to apply the values as constraints. or display and modify the data model associated with the subquery item.
Subquery properties include:
Name—Default name for the subquery filter. If you have two or more filters for a topic item (or items with similar names from different topics), you might want to rename the filter. Renaming the subquery filter does not change the SQL associated with the filter.
Include Nulls—Toggles the inclusion/exclusion of null values.
Not—Reverses the effect of an operator (for example, ‘Not >=’ is equivalent to <).
Operators—Comparison operators for the filter expression. Values that pass the comparison test will be included.
Modify Subquery—Summary subquery filter information. To modify the data model associated with the subquery, click the Modify SubQuery. If the data model section is hidden, select View, then Unhide section to view the section.