using System;
using System.Data;
using System.Data.Common;
using System.Collections.Generic;
using System.Text;
class Program
{
static void Main(string[] args)
{
DataTable tbl = DbProviderFactories.GetFactoryClasses();
foreach (DataRow row in tbl.Rows)
{
Console.WriteLine("{0} ({1})", row["Name"], row["InvariantName"]);
}
}
}