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Essential ADO.NET by Bob Beauchemin

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1.7. Where Are We?

We've defined the various models of data to be reckoned with in a heterogeneous environment: relational, homogeneous, and heterogeneous hierarchies, object graphs, semistructured, and flat files. You've also learned about the methods to access them (roughly, currency- and navigation-based, and set-based) and the types of data access applications you might build. Next, you'll see how the ADO.NET and XML API stacks in the .NET platform provide a programming model that attempts to address the common problems that you might encounter.

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