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Oracle APEX Developer Professional Sample Questions (Q30-Q35):

NEW QUESTION # 30
Which statement is true about session state management in Oracle APEX?

A. Multiple number of sessions cannot exist in the database at the same time
B. APEX Sessions are logically and physically distinct from Oracle database sessions used to service page requests.
C. A user cannot run multiple instances of an application simultaneously in different browser programs.

Answer: B

Explanation:
Explanation
Session state management is a feature that enables developers to store and retrieve values for a user as the user navigates between different application pages. A session is a logical construct that establishes persistence (or stateful behavior) across page views. Each session is assigned a unique identifier (or session ID). The statement that is true about session state management in Oracle APEX is:
APEX Sessions are logically and physically distinct from Oracle database sessions used to service page requests. APEX Sessions are stored in memory within an Application Express engine process while Oracle database sessions are stored in memory within an Oracle database process. The other statements are false because:
A user can run multiple instances of an application simultaneously in different browser programs by using different session IDs.
Multiple number of sessions can exist in the database at the same time for different users or applications.
Verified References: [Understanding Session State Management - Oracle Help Center], [What Is a Session? - Oracle Help Center]

NEW QUESTION # 31
You must create a single master detail page where users can select a row in the master grid to update the detail grids.
Users must also interact with the master or the detail without leaving the page.
Which type of master detail implementation should you use?

A. Stacked
B. Drill Down
C. Side by Side

Answer: A

Explanation:
Explanation
A stacked master detail is a type of master detail implementation that features two editable interactive grids based on two related tables or views. Users can select a row in the master grid to update the detail grid. Users can also interact with the master or the detail without leaving the page. A stacked master detail is suitable for scenarios where you want to display and edit data from a one-to-many relationship in a single page. You can create a stacked master detail using either the Create Application Wizard or the Create Page Wizard. Verified References: [Managing Master Detail Forms - Oracle Help Center], [Creating a Single Page Master Detail Using the Create Application Wizard - Oracle Help Center]

NEW QUESTION # 32
In an Employee form, the 'Commission' and 'Hire Date' fields are enabled only if the Job is
'Salesman'. This can be achieved by which feature of APEX?

A. Conditional SQL
B. Dynamic Actions
C. Processing
D. PL/SQL procedure

Answer: B

Explanation:
Explanation
In an Employee form, the 'Commission' and 'Hire Date' fields are enabled only if the Job is 'Salesman'. This can be achieved by using Dynamic Actions in APEX. Dynamic Actions are declarative components that define client-side behavior without writing JavaScript code. You can create Dynamic Actions on items, buttons, or regions of a page by specifying an event, a condition, an action, and other properties. In this scenario, you can create a Dynamic Action on Job item with Change as event, Execute JavaScript Code as action, and use jQuery to enable or disable Commission and Hire Date fields based on Job value. Processing, Conditional SQL, and PL/SQL procedure are not features of APEX that can achieve this requirement without writing JavaScript code.

NEW QUESTION # 33
Which statement is true about creating and using an interactive grid?

A. End users cannot rearrange columns by dragging and dropping.
B. For both editable and noneditable interactive grids, end users can change the report layout and create private reports.
C. An interactive grid supports Pivot View and Group By View features.

Answer: B

Explanation:
Explanation
An interactive grid is a customizable report that allows end users to modify the data and layout of the report.
End users can change the report layout by using the Actions menu or by dragging and dropping columns. They can also create private reports that save their personal preferences for the report. These features are available for both editable and noneditable interactive grids. Verified References: Using an Interactive Grid - Oracle Help Center, Example Interactive Grid - Oracle Help Center

NEW QUESTION # 34
Which two statements that are TRUE about charts in Interactive grid?

A. To remove a chart, click the Remove Chart icon (X) adjacent to the chart filter
B. You can create multiple charts at a time in an interactive grid
C. Once the chart is created, it cannot be reconfigured.
D. Once a chart is created, you can switch the view between Grid and Chart view.

Answer: A,D

Explanation:
Explanation
You can create a chart in an interactive grid by selecting Chart in the Actions menu. You can only create one chart at a time in an interactive grid. To create a second chart, you have to reconfigure or delete the existing chart1. To remove a chart, you can click the Remove Chart icon (X) adjacent to the chart filter12. Once a chart is created, you can switch the view between Grid and Chart by clicking the toggle that appears at the top of the interactive grid

NEW QUESTION # 35
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