ASP.NET Tutorial/ADO.net Database/Provider Classes

The ADO.NET Data Provider Classes

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SQL Server Data Provider OLE DB Data Provider Oracle Data Provider ODBC Data Provider Connection SqlConnection OleDbConnection OracleConnection OdbcConnection Command SqlCommand OleDbCommand OracleCommand OdbcCommand DataReader SqlDataReader OleDbDataReader OracleDataReader OdbcDataReader DataAdapter SqlDataAdapter OleDbDataAdapter OracleDataAdapter OdbcDataAdapter</source>