What is the Namespace for using SQL Server database in Dotnet Application?

System.Data.SqlClient namespace is the .NET Framework Data Provider for SQL Server.

The .NET Framework Data Provider for SQL Server describes a collection of classes used to access a SQL Server database in the managed space. Using the SqlDataAdapter, you can fill a memory-resident DataSet, which you can use to query and update the database.

For the commonly used classes in System.Data.SqlClient, click here.

For more ADO.Net Interview Questions, click here.