Web Development Applications are constructed on 3 levels. These are user services, business services, and data services. In the first phase, a visual access is created to enable client to interact and know about the application. The application can here range from anything basic like HTML to java applets.
After this the business logics are grabbed and business tier is created. As we move one level up it is seen that different complex applications are created here. This can range from web scripting in PHP/ ASP/ Java Server Pages to server side programming. Hence, one can perform complex action through
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