ADO.NET is an integral part of the .NET Compact Framework

ADO is a language-neutral object model that is the keystone of Microsoft's Universal Data Access strategy.
ADO.NET is an integral part of the .NET Compact Framework, providing access to relational data, XML documents, and application data. ADO.NET supports a variety of development needs. You can create database-client applications and middle-tier business objects used by applications, tools, languages or Internet browsers.
ADO.NET defines DataSet and DataTable objects which are optimized for moving disconnected sets of data across intranets and Internets, including through firewalls. It also includes the traditional Connection and Command objects, as well as an object called a DataReader that resembles a forward-only, read-only ADO recordset. If you create a new application, your application requires some form of data access most of the time.
ADO.NET provides data access services in the Microsoft .NET platform.
You can use ADO.NET to access data by using the new .NET Framework data providers which are:
  • Data Provider for SQL Server (System.Data.SqlClient).
  • Data Provider for OLEDB (System.Data.OleDb).
  • Data Provider for ODBC (System.Data.Odbc).
  • Data Provider for Oracle (System.Data.OracleClient).

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