LINQ Language-Integrated Query Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

LINQ Language-Integrated Query Interview Questions

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What are element operators?

112

What is difference among Single, SingleOrDefault, First and FirstOrDefault?

When to use Single, SingleOrDefault, First and FirstOrDefault?

Which one is fast between SingleOrDefault and FirstOrDefault?

What is LINQ provider and what are different types of LINQ providers?

What are advantages of using LINQ on DataSet?

What is difference between Select and SelectMany in LINQ?

What is difference among Any, All and Contains?

100

What is difference between into and let keyword in LINQ?

What is Expression Trees?

How to use GroupBy in LINQ?

Explain Union, Intersect and Except?

What is Expression?

How can you handle concurrency in LINQ to SQL?

101

What are different types of joins in LINQ?

107

Un-Answered Questions { LINQ Language-Integrated Query }

Explain how linq with databases can be used?

Which assembly represents the core LINQ API?

121

What are the advantages of using linq in dataset?

103

Why do we need linq?

Why is linq required?

Write LINQ query to find 2nd highest salary?

Why linq is required?

107

What is linq placement?

What is difference between first and firstordefault in linq?

Write a program using linq to find the sum of first 5 prime numbers?

What is using system linq?

173

Which command-line tool generates code and mapping for the LINQ to SQL component of .NET Framework?

What is linq in c #?

Explain what are linq query expressions?

Can we use left join in linq?

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