39 - 电影评分 (selectu.name as results
fromMovieRating m left join Users u on m.user_idu.user_id
GROUP BYm.user_id
order by count(*) desc,u.name asc limit 1)
union all
(selectm1.title as results
fromMovieRating m left join Movies m1 on m.movie_idm1.movie…