Jun 19, 2013

LINQ to SQL: Basic Concepts and Features


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In this article we will see how to use LINQ to interact with a SQL Server database, or in other words, how to use LINQ to SQL in C#.
In this article, we will cover the basic concepts and features of LINQ to SQL, which include:
  • What is ORM
  • What is LINQ to SQL
  • What is LINQ to Entities
  • Comparing LINQ to SQL with LINQ to Objects and LINQ to Entities
  • Modeling the Northwind database in LINQ to SQL
  • Querying and updating a database with a table
  • Deferred execution
  • Lazy loading and eager loading
  • Joining two tables
  • Querying with a view
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