To create or edit a group filter:
In the Data Model view, double-click the title bar of the group to display the Property Inspector.
Scroll to the Group node.
To display the first n records for the group, set the Action Type property to First and set the Number of Records property to n.
To display the last n records for the group, set the Action Type property to Last and set the Number of Records property to n.
To create your own filter using PL/SQL, set the Action Type property to PL/SQL and set the PL/SQL Filter property by clicking the ... button to display the PL/SQL Editor to define the PL/SQL for the filter.
Set other properties as desired.
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