Oracle APEX Oracle APEX Interactive Grid 2 — Questions and Answers
Question 1: What is the purpose of the 'Initialization JavaScript Function' attribute on an Oracle APEX Interactive Grid?
- It allows developers to pass custom configuration options to the grid widget before it renders (Correct answer)
- It runs after the grid has fully loaded and rendered
- It validates data before a row is saved
- It sets default column values when a new row is added
Correct answer: It allows developers to pass custom configuration options to the grid widget before it renders
The Initialization JavaScript Function is called before the grid widget is created, allowing developers to override default configuration options.
Question 2: How can you prevent a specific column in an Oracle APEX Interactive Grid from being editable by end users?
- Set the column's 'Is Editable' property to No in Page Designer (Correct answer)
- Set the column type to Display Only
- Use a Dynamic Action to disable the column
- Remove the column from the SELECT statement
Correct answer: Set the column's 'Is Editable' property to No in Page Designer
Setting the column's 'Is Editable' property to No in Page Designer makes that specific column read-only within the editable grid.
Question 3: Which Oracle APEX Interactive Grid feature enables users to group rows by the values in a specific column?
- Group By (Correct answer)
- Aggregate
- Pivot
- Control Break
Correct answer: Group By
The Group By feature in Interactive Grid allows users to collapse rows sharing the same value in a column into a grouped header.
Question 4: When an Oracle APEX Interactive Grid processes multiple row changes, which page process type is used to submit and save all edits at once?
- Interactive Grid - Automatic Row Processing (DML) (Correct answer)
- Submit Page
- Execute PL/SQL Code
- Interactive Grid - Save Row
Correct answer: Interactive Grid - Automatic Row Processing (DML)
The 'Interactive Grid - Automatic Row Processing (DML)' process type handles INSERT, UPDATE, and DELETE for all changed rows in the grid.
Question 5: What does the 'Pagination Type' attribute of an Oracle APEX Interactive Grid control?
- How records are loaded and displayed, such as scroll or page-based navigation (Correct answer)
- The number of rows per page only
- The order in which rows are fetched from the database
- Whether the grid fetches all rows at once or none
Correct answer: How records are loaded and displayed, such as scroll or page-based navigation
Pagination Type determines whether the Interactive Grid uses infinite scroll, load more, or traditional page navigation to display records.
Question 6: In Oracle APEX, which Interactive Grid column type should be used to display a checkbox for boolean or Yes/No data?
- Checkbox (Correct answer)
- Switch
- Boolean Display
- Select List with static values
Correct answer: Checkbox
The Checkbox column type in Interactive Grid renders a checkbox UI control suitable for boolean or Yes/No column values.
Oracle APEX Oracle APEX Interactive Grid 2
What is the purpose of the 'Initialization JavaScript Function' attribute on an Oracle APEX Interactive Grid?