Drupal 8 : Static db query

Drupal 8 : Static db query

  <?php /* Main */ 
  use Drupal\Core\DrupalKernel;
  use Symfony\Component\HttpFoundation\Request;

  $autoloader = require_once 'autoload.php';

  $kernel = new DrupalKernel('prod', $autoloader);

  $request = Request::createFromGlobals();
  $response = $kernel->handle($request);

  use Drupal\node\Entity\Node;
  use Drupal\file\Entity\File;
  use Drupal\taxonomy\Entity\Term;
  
  $connection = \Drupal::database();
  $query = $connection->query("select distinct title,changed from node_field_data order by changed limit 50");
  $results = $query->fetchAll();
  foreach ($results as $result) {
    print_r($result);
  }
?>