LINQ

LINQ Syntax

LINQ Syntax

What exactly is a query?

A query is a list of commands. Queries are used to conduct operations (i.e., CRUD operations) on a data source (i.e., in-memory object, SQL, XML, etc.) and display the shape of the result from that Query. This indicates that the Query isn't in charge of the content of the output; rather, it's in order of the output's shape.

Each query is made up of three different elements:

  • Initiation (to work with a particular data source)
  • The state (where, filter, sorting condition)
  • Choosing (single selection, group selection, or joining)

The word LINQ stands for "Language Integrated Query." The key benefit is that it allows users to write inquiries in SQL queries using query syntaxes within the code.

In LINQ, the.NET framework provides a collection of built-in query terms that allow users to write SQL-style queries.

There are three ways to write queries in LINQ:

  • Using Query Syntax
  • Using Method Syntax
  • Using Mixed Syntax

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