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PeopleSoft PeopleTools: Mobile Applications Development by Sarah Marion, Jim Marion

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CHAPTER

4

Creating a Data Model

In the early days of web applications, a primary frustration for developers was the intermingling of data (the model) with presentation logic (the view). As developers, we often wrote Active Server Pages and Java Server Pages applications with data and presentation logic weaved tightly together. It was not practical to hand the view layer over to a designer because the data and presentation logic were inseparable. Developers and architects began looking for a better way. For most, the solution came in the form of a well-known user interface pattern called the Model-View-Controller (MVC) pattern. Although very popular, ...

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