| Exam Code/Number: | 1Z1-750Join the discussion |
| Exam Name: | Oracle Application Express 18: Developing Web Applications |
| Certification: | Oracle |
| Question Number: | 75 |
| Publish Date: | Sep 05, 2026 |
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Which set of components do you need to add breadcrumb navigation to an existing application?
Morgan has a report and form on the EMP table. He updated the form by adding a display-only item P5_LOC, and a change event dynamic action on P5_DEPTNO to populate the item using Set Value with this SQL:
select loc from dept
where deptno = :P5_DEPTNO;
When Morgan runs the page, he gets this error:
apex_error_code:
WWV_FLOW_DML.COLUMN_NOT_FOUND
original message: Column LOC not found in table EMP
What should Morgan do to prevent this error?
Mark has created a modal form page to enter new calendar events. Mark now wants to call the form when an spot.
How can Mark update the calendar region to call the form?
You have defined a form page on the ORDERS table and changed page item :P5_ORDER_TOTAL to type Hidden.
You also created a dynamic action to update the value of :P5_ORDER_TOTAL when any order items are added, updated, or deleted on the page.
However, when you submit the page, you get this error:
Session state protection violation: This may be caused by manual alteration of protected page item P5_ORDER_TOTAL. If you are unsure what caused this error, please contact the application administrator for assistance.
How should you update :P5_ORDER_TOTAL page item to prevent this error?