Leetcode - 1077. Project Employees III

Indo Yoon -

문제

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정답

SELECT project_id,Employee.employee_id  FROM Project
JOIN Employee ON Project.employee_id = Employee.employee_id
WHERE (project_id, experience_years) IN
(SELECT project_id,MAX(experience_years) as max_years FROM Project
JOIN Employee ON Project.employee_id = Employee.employee_id
GROUP BY project_id)