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Leetcode - 185. Department Top Three Salaries
문제
Loading...Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.LeetCode
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Leetcode - 196. Delete Duplicate Emails
문제
Loading...Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.LeetCode
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Leetcode - 262. Trips and Users
문제
Loading...Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.LeetCode
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Leetcode - 596. Classes More Than 5 Students
문제
Loading...Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.LeetCode
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Leetcode - 607. Sales Person
문제
Loading...Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.LeetCode
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Leetcode - 608. Tree Node
문제
Loading...Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.LeetCode
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Leetcode - 620. Not Boring Movies
문제
Loading...Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.LeetCode
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Leetcode - 626. Exchange Seats
문제
Loading...Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.LeetCode
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Leetcode - 511. Game Play Analysis I
문제
https://leetcode.com/problems/game-play-analysis-i/
정답
SELECT player_id, MIN(event_date) as first_login
FROM Activity
GROUP BY player_id…