SQL/LeetCode

[LeetCode] 596. Classes More Than 5 Students

yeyeyep 2025. 2. 18. 16:29

 

 

[문제]

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[MySQL]

WITH student_cnt AS (
    SELECT class
         , COUNT(DISTINCT student) AS cnt
    FROM Courses
    GROUP BY class
)

SELECT class
FROM student_cnt
WHERE cnt >= 5