LibreOffice 6.1 Help
Specifies whether to group the query. The data source must support the SQL statement "Group by clauses" to enable this page of the Wizard.
Lists the names of the data base fields in the selected table or query. Click to select a field or hold down the Shift or the CommandCtrl key while you click to select more than one field.
Click to move the selected field(s) to the box that the arrow is pointing to.
Click to move the selected field up one entry in the list.
Click to move the selected field down one entry in the list.
Displays all fields that are to be used to group the query.