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Which three data types are supported by Oracle APEX Workflow parameters and item types?
Workflow parameters and page items in APEX support:
B . NUMBER: For numeric values (e.g., 123.45), used in calculations or IDs.
C . CLOB: For large text (e.g., descriptions), stored as character large objects.
D . VARCHAR: For variable-length strings (e.g., EMPLOYEE_NAME), capped at 4000 characters in most cases.
A . Image: Not a supported data type for parameters or items; images are handled as BLOBs or file uploads, not directly as a Workflow parameter type.
These types align with Oracle Database, ensuring robust data handling in workflows.
At what level does a developer enable push notifications so that end users can receive them on their devices from an APEX application?
Push notifications in Oracle APEX are enabled at the application level. This allows the application to register with the Progressive Web App (PWA) framework and manage subscriptions for all end users. Once enabled in the Application Definition under 'Progressive Web App' settings, APEX handles the subscription process, and developers can use APIs like APEX_PWA.SEND to send notifications. Enabling at the region, page, or instance level is not supported for this feature.
The Movies faceted search report is filtered only when the Apply button for a selected facet is clicked. What must be done in the Page Designer so that report filtering is automatically executed when any facet value is selected?
By default, faceted search can 'batch' changes, requiring an 'Apply' button click to filter the report. To enable automatic filtering:
Disable the Batch Facet Changes attribute: In Page Designer, under the Faceted Search region's Attributes, setting 'Batch Facet Changes' to 'No' ensures the report refreshes immediately when a facet value is selected, improving responsiveness. This triggers an AJAX call to update the report without a manual submit.
Show Facet Name: This controls facet label visibility, unrelated to filtering behavior.
Client-Side Filtering: This applies to Interactive Reports/Grids, not faceted search regions, and isn't the correct solution here.
This adjustment enhances the user experience by providing instant feedback.
Which statement is true about Theme Styles?
Theme Styles define visual themes in APEX:
A . When the Is Public attribute is enabled: Setting 'Is Public' to 'Yes' in Shared Components > Theme Styles allows runtime selection (e.g., via a dropdown in the app UI), letting users switch between styles (e.g., 'Vita' to 'Vita - Dark').
B . Control layout: False; layout is managed by templates and regions; Theme Styles handle colors, fonts, etc.
C . 'Is Current' depends on 'Read Only': False; 'Is Current' marks the default style, independent of 'Read Only' (which locks editing).
Technical Insight: Public styles require multiple defined styles and a UI component (e.g., Dynamic Action) to expose the switcher.
Use Case: Offering light/dark mode options to users.
Pitfall: Without a switcher, 'Is Public' has no visible effect.
Which three Theme Components are available out-of-the-box with the Universal Theme?
The Universal Theme (Theme 42) provides pre-built components:
A . Calendar: A region type for date-based displays (e.g., events), styled with Universal Theme templates (e.g., FullCalendar integration).
B . Comments: A region type for user feedback or notes, with built-in styling and moderation options.
C . Badge: A UI component for displaying counts or statuses (e.g., '5 New'), often in navigation or lists, styled via CSS classes.
D . REST Data Sources: A data feature, not a theme component; it's a Shared Component, not a UI element tied to Universal Theme.
Technical Insight: These components leverage Universal Theme's CSS (e.g., t-Badge, t-Calendar) and JavaScript for interactivity, reducing custom coding.
Use Case: A dashboard with a Calendar for schedules, Comments for feedback, and Badges for unread alerts.
Pitfall: Customizing requires Theme Roller or CSS overrides.
