@Override
  public String test() {
      String result = "";
      try {
          String url = "jdbc:sqlserver://localhost:1433;" +
                  "databaseName=boodo;user=sa;password=sasa;";
          Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
          Connection conn = DriverManager.getConnection(url,"sa","sasa");
          Statement stmt = conn.createStatement();
          ResultSet rs;

          rs = stmt.executeQuery("SELECT * FROM prueba");

          while ( rs.next() ) {
              String name = rs.getString("name");
              String value = rs.getString("value");
              result += String.format("%s(%s)%n", name, value);
          }
          conn.close();
      } catch (Exception e) {
          System.err.println("Got an exception! ");
          System.err.println(e.getMessage());
      }
      return result;
  }