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Programming Microsoft® SQL Server™ 2008 by Leonard Lobel, Andrew Brust, and Stephen Forte

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Components of an Occasionally Connected System

Many times, an occasionally connected system is an extension of a traditional desktop business application. Mobilizing an application requires some architectural redesign from the traditional application. The devices that run the client application are usually portable, are smaller, and have less processing power and memory than their desktop counterparts. They also need to store data locally since they are not always connected to the database via a local area network (LAN) connection. Having the data on the client device allows the mobile user to work while disconnected.

In an occasionally connected scenario, users receive copies of the data they need to perform their tasks. This data is retrieved ...

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