Forms and Reports—The Basics - Beginning Oracle Application Express 4.2 - page 150

Figure 6-30. Choosing to edit report attributes
3. Enable column sorting for all columns except TICKET_ID and
DESCR by selecting the Sort check box for each column. Hide the
DESCR column from the report by unchecking the corresponding Show
check box. See Figure 6-31 .
Figure 6-31. Editing column attributes