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LINQ Interview Questions And Answers

Applications Programs :: Language Integrated Query (LINQ) Job Interview Questions and Answers

LINQ Interview Questions and Answers will guide us now that Language Integrated Query (LINQ) is a Microsoft .NET Framework component that adds native data querying capabilities to .NET languages. LINQ defines a set of method names called standard query operators, or standard sequence operators, along with translation rules from so-called query expressions to expressions using these method names, so learn more abut LINQ with the help of this LINQ Interview Questions with Answers guide

1 What is LINQ?
2 Why can not datareader by returned from a Web Services Method?
3 What is the extension of the file, when LINQ to SQL is used?
4 How LINQ is beneficial than Stored Procedures?
5 What is a Lambda expression?
6 What is the LINQ file extension that interacts with Code Behind objects.
7 Why Select clause comes after from clause in LINQ?
8 Difference between LINQ and Stored Procedures?
9 What are Benefits and Advantages of LINQ?
10 What are the three main components of LINQ or Language INtegrated Query?
11 How are Standard Query Operators implemented in LINQ?
12 How are Standard Query Operators useful in LINQ?
13 List the important language extensions made in C# to make LINQ a reality?
14 What is the purpose of LINQ Providers in LINQ?
15 What are the four LINQ Providers that .NET Framework ships?
16 Write a program using LINQ to find the sum of first 5 prime numbers?
17 What is Difference between XElement and XDocument?
18 What are Quantifiers?
19 What is the benefit of using LINQ on Dataset?
20 Which classs extension methods are used in LINQ to SQL?
21 Which assembly represents the core LINQ API?
22 What is the use of System.Data.DLinq.dll?
23 What is the use of System.XML.XLinq.dll?
24 Why cant datareader be returned from a Web Services Method?
25 What is the LINQ file extension that interacts with Code Behinds objects?
26 What is Linq to SQL Deferred Loading?
27 Write a Program using Skip and Take operators. How can it beneficial for bulky data accessing on page?
28 Write a Program for Concat to create one sequence of Data Rows that contains DataTabless Data Rows, one after the other?
29 How can you find average of student marks from student tables (Columns are StudentID, Marks)?
30 What is OfType in linq?
31 How can we find Sequence of Items in two different array (same Type) in the same order using linq query?
32 Differentiate between Conversion Operator IEnumerable and ToDictionary of LINQ?
33 List out the Data Context Functions. Where do we use SubmitChanges()?
34 Why do we use Contains method for strings type functions?
35 What is Quantifiers in reference linq to Dataset?

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Re: LINQ Interview Questions And Answers

You can more read at here:
What is Language Integrated Query (LINQ)?

LINQ is a set of extensions to .NET Framework that encapsulate language integrated query, set and other transformation operations..................
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Difference between LINQ and Stored Procedures.

Difference between LINQ and Stored Procedures: Stored procedures normally are faster as they have a predictable execution plan. Therefore, if a stored procedure is being executed for the second time, the database gets the cached execution plan to execute the stored procedure...............
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Pros and cons of LINQ (Language-Integrated Query)

Pros of LINQ: Supports type safety, Supports abstraction and hence allows developers to extend features such as multi threading.............
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Disadvantages of LINQ over Stored Procedures

Disadvantages of LINQ over stored procedures: LINQ needs to process the complete query, which might have a performance impact in case of complex queries against stored procedures which only need serialize sproc-name and argument data over the network.............
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Can I use LINQ with databases other than SQL Server? Explain how

LINQ supports Objects, XML, SQL, Datasets and entities. One can use LINQ with other databases through LINQ to Objects or LINQ to Datasets, where the objects...............

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103 interview questions and answers ( free pdf download)