题目:原题链接(简单)

标签:SQL

解法 时间复杂度 空间复杂度 执行用时
Ans 1 (Python) 341ms (32.88%)
Ans 2 (Python)
Ans 3 (Python)

解法一:

SELECT DISTINCT author_id AS id
FROM Views
WHERE author_id = viewer_id
ORDER BY author_id;