Answer / Vineet Gupta

Language Integrated Query, often abbreviated as LINQ, is a set of technologies in .NET Framework that allows developers to query and manipulate data from different data sources using C# or VB.NET code.

Which are the two main static classes of linq api that contain extension methods?

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Describe the architecture of linq?

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List out the three main components of linq? Explain what is the extension of the file, when linq to sql is used?

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What is the difference between First() and Single() extension methods in LINQ?

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What is linq provider?

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What is data context class? Explain its role?

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What does a linq query return?

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What is the basic syntax of a linq query in visual basic as well as in c#?

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Can we use left join in linq?

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What are the four linq providers that .net framework ships?

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what is the difference between N-layer and N-tier architecture in LINQ?

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Explain why select clause comes after from clause in linq?

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