Oracle APEX Cloud Developer Professional Intermediate Practice Exam: Medium Difficulty 2025

Your APEX application uses a Classic Report that displays employee data from a remote REST data source. Users report that the page loads slowly, and you notice the REST API is called on every page load. What is the BEST approach to improve performance while ensuring data is reasonably current?

You need to implement row-level security in your APEX application where users can only see and modify records they own. The application uses multiple pages with forms and reports. Which combination of techniques provides the MOST secure and maintainable solution?

Your Interactive Grid allows users to edit multiple rows and submit all changes at once. You need to ensure that when any row fails validation, all changes are rolled back and the user sees specific error messages for each failed row. What is the BEST implementation approach?

You are designing a solution where users upload CSV files containing thousands of records that need to be validated and imported into multiple related tables. The process should handle large files without timing out and provide detailed feedback. Which architecture should you implement?

Your APEX application uses a complex query with multiple joins that performs well in SQL Developer but times out when used as the source for an Interactive Report. What combination of approaches would MOST effectively resolve this issue?

You need to implement a master-detail-detail relationship where selecting a customer displays their orders, and selecting an order displays line items. All regions should update without full page refresh and maintain their state when navigating between customers. What is the MOST appropriate implementation pattern?

Your application uses a page with multiple forms that share common item names (P10_ID, P10_NAME, etc.). Users report that after submitting one form, data from another form is being incorrectly modified. What is the MOST likely cause and solution?

You are implementing RESTful Web Services in APEX to allow external applications to query and update data. The service should support filtering, pagination, and require API key authentication. Which combination provides a complete and secure solution?

Your APEX application requires that certain PL/SQL packages must be granted to the workspace schema, but the database administrator is concerned about security. Following Oracle's security best practices for APEX applications, what approach should you recommend?

You have a form based on a view that joins multiple tables. The view uses INSTEAD OF triggers for DML operations. Users report that after successfully submitting the form, the success message appears but the form still shows old data. What is the MOST likely cause and proper solution?