text: -- Örnek 1
  SELECT rating, COUNT(*) FROM film
  GROUP BY rating;
  
  -- Örnek 2
  SELECT replacement_cost, COUNT(*) FROM film
  GROUP BY replacement_cost
  HAVING COUNT(*) > 50;
  
  -- Örnek 3
  SELECT store_id ,COUNT(*) FROM customer
  GROUP BY store_id;
  
  -- Örnek 4
  SELECT country_id, COUNT(*) FROM city
  GROUP BY country_id
  ORDER BY COUNT(*) DESC
  LIMIT 1;