static void Main(string[] args)
{
//new [NomeDaFabrica] -> poderia vir de um arquivo de configuração
DBFactory db = new OracleFactory();
var con = db.createConnection();
con.Open();
var cmd = db.createCommand();
cmd.Execute();
Console.ReadLine();
}
static void Main(string[] args)
{
DBFactory db = new OracleFactory();
var con = db.createConnection();
con.Open();
var command = db.createCommand();
command.Execute();
Console.ReadKey();
}