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Oracle Application Express

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APEX Oracle Application Express (Oracle APEX), formerly called HTML DB, is a rapid web application development tool for the Oracle database.
Using only a web browser and limited programming experience, you can develop and deploy professional applications that are both fast and secure.
Accessibility Accessibility is a significant issue for a growing user population and includes not only those born disabled, but those who have experienced incapacitation through accident, illness, or aging.
The Web Accessibility Initiative (WAI) develops strategies, guidelines, and resources to help make the Web accessible to people with disabilities.
Application Builder Application Builder is the tool you use to build the pages that comprise an application.
The Application Builder icon does not appear when you log in to the Database Home Page as user SYSTEM. It is expected that this user performs administration tasks only.
To develop Application Express applications, log in as a user other than SYSTEM.
Application-level Computations Most application-level computations are performed for every page in an application. In contrast, computations created at the page-level only execute when that page is rendered or processed.
Authentication The method by which users identify themselves to gain access to applications.
You can establish a user's identity by selecting from a number of built-in authentication methods, or by using a wizard to create your own custom authentication approach.
The process of establishing users' identities before they can access an application. Authentication may require a user name and password, or may involve the use of a digital certificate or a secure key.
Authorization Authorization schemes are centrally defined access control rules that can be applied to elements throughout the application.
Reports in Application Express can be defined to show different columns to different users, based on a userís privileges.
Authorization controls user access to specific controls or components based on user privileges.
You can assign an authorization scheme to individual pages, page controls (such as a region, a button, or an item), or a shared component (such as a menu, a list, or a tab).
Availability Use Availability attributes to manage your application by defining an application status and build status.

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