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Chapter 20. Client/Server Techniques > Understanding the Client/Server Model

Understanding the Client/Server Model

Client/server is one of the hot computing terms of the '90s. It refers to distributed processing of information. It involves the storage of data on database servers dedicated to the tasks of processing data and storing it. These database servers are referred to as back-ends. A front-end tool such as Microsoft Access accomplishes the presentation of the data. Microsoft Access, with its tools that assist in the rapid development of queries, forms, and reports, provides an excellent front-end for the presentation of back-end data. As more and more applications are downsized from mainframes and upsized from personal computers, more users need to understand the details of client/server technology.

For years, most information professionals have worked with traditional programming languages. These languages are responsible for both processing and maintaining data integrity in the application. This means that data-validation rules must be embedded in the programming code. Furthermore, these types of applications are record-oriented. All records are read into memory and processed. This scenario has several drawbacks:


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