Which is true about the Button Name attribute?
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A. B. C. D.A.
https://docs.oracle.com/database/121/HTMDB/bldapp_but.htm#HTMDB25447The Button Name attribute in Oracle Application Express (APEX) is a property of a button that determines the name of the button when it is submitted. The Button Name attribute does not have any direct correlation with a database action, but it is used to identify which button has been clicked in a page submission.
Option A is correct. When a page is submitted by clicking a button, the Button Name attribute value is set to the REQUEST parameter in the page processing logic. The REQUEST parameter is used to determine which button was clicked and what action should be taken based on that button click.
Option B is incorrect. While it is true that the button name should be unique on a page, it is not a unique identifier for a page. Other page items, such as text fields and select lists, can also have unique names.
Option C is incorrect. The Button Name attribute does not define what database action is performed on page submission. The page processing logic, which is based on the values of the page items, determines the database action.
Option D is partially correct. The Button Name attribute can serve as a static ID, which can be useful when developing custom JavaScript functionality for the button. However, the Button Name attribute is not specifically intended for this purpose, and there are other ways to assign a static ID to a button. A static ID can be useful when accessing the button using JavaScript or CSS.
In summary, Option A is correct. The Button Name attribute determines the name of the button when it is submitted, and this value is used to set the REQUEST parameter in the page processing logic. Options B, C, and D are incorrect, as they either do not accurately describe the purpose of the Button Name attribute or make incorrect statements about its behavior.