Use an OLE DB provider from .NET using OleDbConnection
Connection string
This .NET Framework Data Provider for OLE DB connection string can be used for connections to SQL Server 2019, SQL Server 2017, SQL Server 2016, SQL Server 2014, SQL Server 2012, SQL Server 2008, SQL Server 2005, SQL Server 2000, SQL Server 7.0, SQL Server Compact, Oracle, IBM DB2, MySQL, Sybase Adaptive, Informix, PostgreSQL, UniVerse, UniData, AS/400, Paradox, Pervasive, Netezza DBMS, Interbase, SQLBase, Teradata, DBMaker, Excel 97, Excel 2000, Excel 2002, Excel 2003, Excel 2007, Excel 2010, Excel 2013, Textfile, Access 97, Access 2000, Access 2002, Access 2003, Access 2007, Access 2010, Access 2013, Visual FoxPro, DBF / FoxPro, Azure SQL Database, OLAP, Analysis Services, SharePoint, MS Project, Active Directory, Exchange, Index Server, HTML Table and Sybase Advantage.
Provider=any oledb provider's name;OledbKey1=someValue;OledbKey2=someValue;
See the respective OLEDB provider's connection strings options. The .net OleDbConnection will just pass on the connection string to the specified OLEDB provider. Read more here.