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Essential ADO.NET by Bob Beauchemin

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7.5. The XmlDataDocument Class

Having come at the problem of data representation from the point of view of the data storage mechanism—that is, the relational database—we've thus far represented the in-memory object model as though it, too, were a relational database. Chapter 2 touches on the XML Infoset as a different abstraction for data, and you looked at the XML DOM, one of its in-memory data representations. The classes that are used in the relational model parallel those in a relational database; you have a DataSet consisting of DataTables, DataColumns, DataRows, and DataRelations. You even have a mechanism—DataView—to filter and sort Data-Tables in memory. The filtering mechanism uses a language similar to SQL.

In the DOM model, XmlDocument ...

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