
In the new version (.NET framework 3.5), Microsoft have provided a way to define the queries in the programming language (C# 3.0, VB.NET 9.0) using LINQ which is called Language-Integrated query. It's basically a programming concept to query the data against the following :
* database (LINQ to SQL), * dataset (LINQ to Dataset), * xml (LINQ to XML) and * objects (LINK to Entities).
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