Class.forName("org.postgresql.Driver");
      String username = "postgres";
      String password = "postgres";
      Properties props = new Properties();
      props.setProperty("user", "postgres");
      props.setProperty("password", "postgres");
      String url = "jdbc:postgresql://localhost:5432/carbase";
      Connection c = DriverManager.getConnection(url, props);
      BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(new File("TestKoiPostgres.txt"))));
      String sql = br.readLine();
      PreparedStatement ps = c.prepareStatement(sql);      
      System.out.println(sql);
      ps.execute();