ADO.NET stands for ActiveX Data Object is a database access technology created by Microsoft as part of its . NET framework that can access any kind of data source. … You use SQL queries through ADO.NET Command object, which returns data in the form of DataReader or DataSet objects.

What database does .NET use?

ASP.NET applications can use all of the popular databases, including Microsoft SQL Server, MySQL, MariaDB, Postgres, MongoDB and CouchDB. While Microsoft SQL Server can require expensive software licenses for complex deployments, the free Express version is suitable for the vast majority of websites.

Why ADO.NET is important in database programming?

ADO.NET provides consistent access to data sources such as SQL Server and XML, and to data sources exposed through OLE DB and ODBC. Data-sharing consumer applications can use ADO.NET to connect to these data sources and retrieve, handle, and update the data that they contain.