C# LINQ Guide

(LINQ) or Language-Integrated Query  is the name for a set of technologies based on the integration of query capabilities directly into the C# language.

In this tutorial, we will learn how top perform operations such as

Sorting

Set Operations

Filtering Operation

Quantifier Operations

Projection Operation

Partitioning the data

Joining the objects

Grouping the data

Generation operations

Element Operations

Concatenation of data/objects

Aggregation functions

And Few use cases of LINQ such as finding largest file from a folder, finding specific files and much more.

Different languages have been developed over time to access data from various sources.

For example, to access data from sql server, we have SQL also called as Structured Query Language.

Similarly, to access data from XML, we have something called Xquery.

A query is an expression that retrieves  data from a data source.

Different languages have been developed over time to access data from various sources.

For example, to access data from sql server, we have SQL also called as Structured Query Language.

Similarly, to access data from XML, we have something called Xquery.

All LINQ query operations consist of three distinct actions:

1 Obtaining the data from source.

2 Creation the query.

3 Execution the query.