내공얌냠 2022. 6. 3. 13:20

https://leetcode.com/problems/article-views-i/

 

Article Views I - LeetCode

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leetcode.com

select distinct a.author_id as id
from Views as a
where a.author_id = a.viewer_id
order by id

best

SELECT AUTHOR_ID AS ID
FROM VIEWS
WHERE AUTHOR_ID=VIEWER_ID
GROUP BY ID
ORDER BY ID;

 

 

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