text: SELECT * FROM crud.ads;
  
  CREATE DATABASE IF NOT EXISTS `crud`
  DEFAULT CHARACTER SET `utf8`
  DEFAULT COLLATE `utf8_general_ci`;
  
  USE `crud`;
  
  select year(created_at) as `year`,
  	monthname(created_at) as `month`,
      count(id) as `count`
  from ads
  group by `year`, `month`
  order by min(created_at) desc;
  
  