Oracle APEX Oracle APEX Interactive Grid 1 — Questions and Answers
Question 1: What is the primary difference between an Interactive Grid and an Interactive Report in Oracle APEX?
- Interactive Grid supports inline editing of data; Interactive Report does not (Correct answer)
- Interactive Report supports inline editing; Interactive Grid does not
- Interactive Grid is read-only; Interactive Report is editable
- There is no functional difference between the two
Correct answer: Interactive Grid supports inline editing of data; Interactive Report does not
Interactive Grid supports inline cell editing and row operations directly on the page, which Interactive Report does not support.
Question 2: Which Oracle APEX attribute controls whether end users can save their own Interactive Grid customizations?
- Enable Users To Save Reports (Correct answer)
- Save Customization
- Persist User Settings
- Allow Column Reorder
Correct answer: Enable Users To Save Reports
The 'Enable Users To Save Reports' attribute on an Interactive Grid allows end users to save named custom views of the grid.
Question 3: In an Oracle APEX Interactive Grid, what does setting the 'Editable' property to 'Single Row' mean?
- Only one row at a time can be in edit mode (Correct answer)
- Only the first row is editable
- Users can edit only a single column
- The grid is read-only for all users
Correct answer: Only one row at a time can be in edit mode
Single Row edit mode means the grid opens one row at a time for editing, presenting it in a form-style layout.
Question 4: Which JavaScript API method is used to retrieve the model associated with an Oracle APEX Interactive Grid?
- apex.region('regionStaticId').call('getViews').grid.model (Correct answer)
- apex.ig.getModel('regionId')
- apex.widget.interactiveGrid.getModel()
- apex.model.find('regionStaticId')
Correct answer: apex.region('regionStaticId').call('getViews').grid.model
You access the Interactive Grid's model through apex.region('staticId').call('getViews') to get the grid view and then access its model.
Question 5: What Oracle APEX feature allows you to define a master-detail relationship where the Interactive Grid acts as the detail region?
- Master Detail using a foreign key column linked to a master region (Correct answer)
- Cascading LOV between two Interactive Grids
- Parent-Child region linking via page item
- Shared query parameter between regions
Correct answer: Master Detail using a foreign key column linked to a master region
A master-detail Interactive Grid is configured by linking the detail grid's SQL query through a foreign key column to the value of the master region.
Question 6: In Oracle APEX Interactive Grid, which 'Allowed Operations' setting must be enabled to allow users to delete rows?
- Delete Row (Correct answer)
- Allow Row Removal
- Enable Delete
- Row Operations: Delete
Correct answer: Delete Row
The 'Delete Row' checkbox under Allowed Operations must be checked on the Interactive Grid to permit row deletion.
What is the primary difference between an Interactive Grid and an Interactive Report in Oracle APEX?