text: INSERT INTO `author` (`id`, `age`, `name`, `surname`) VALUES (1,19,'Name_1','Surname_1');
  
  INSERT INTO `book` (`id`, `isbn`, `title`, `author_id`) VALUES (1,'Isbn_1','Title_1',1);
  INSERT INTO `book` (`id`, `isbn`, `title`, `author_id`) VALUES (2,'Isbn_2','Title_2',1);
  INSERT INTO `book` (`id`, `isbn`, `title`, `author_id`) VALUES (3,'Isbn_3','Title_3',1);
  