1148. Article Views I
https://leetcode.com/problems/article-views-i/description/
select author_id as id from views where author_id = viewer_id group by author_id order by author_id;
1148. Article Views I
https://leetcode.com/problems/article-views-i/description/
select author_id as id from views where author_id = viewer_id group by author_id order by author_id;