Data Providers of .NET Framework

• SQL Server: Namespace(Imports System.Data.SqlClient)
• OLE DB: Namespace(Imports System.Data.OLEDB)
• MySQL: Namespace(Imports System.Data.MySqlClient)
• Oracle: Namespace(Imports Oracle.DataAccess.Client)
  
• Oracle: Namespae(Imports System.Data.OracleClient)
  
• MaxDB: Namespace(Imports MaxDB.Data)
  
• ODBC: Namespace(Imports System.Data.Odbc)

- You have to add reference before you can import.