Describe the components of an application model.
What will be an ideal response?
An application model has three main components:
User interface or screens-The screens that are presented to the end user to enter information and/or take actions, such as clicking a button on the screen. The user interface component may be developed with tools, such as Visual Basic, Java, or Oracle Forms.
Program logic or the brains behind the screens-The programming code that provides the logic of what the application will do. PL/SQL addresses the "brains" or logic portions of an application.
Database-The database management system providing the physical storage structure for data and mechanisms to retrieve, add, change, and remove data. The Oracle server provides the database.
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