Physical Design
When you start looking at generating a physical design model from your logical model, it becomes immediately apparent that here is where things start to get tricky. There's usually no real problem in defining a model of the business-processing classes needed. Where the primary issues arise is in the user interface to the system. This is because each type of user interface—client/server, Web-based, or any other—can interact with the business functionality in so many different ways. For example, if you're designing a client/server application, your graphical user interface (GUI) design is somewhat dependent on the language you choose to use for development. You might consider some options when using PowerBuilder, but you might consider ...
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