목록Employees Earning More Than Their Managers (1)

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leetcode 181. Employees Earning More Than Their Managers

1) SELF JOIN 1-1) SELECT * FROM Employee e1, Employee e2 WHERE e1.Id = e2.ManagerId 1-1) 결과 {"headers": ["Id", "Name", "Salary", "ManagerId", "Id", "Name", "Salary", "ManagerId"], "values": [[3, "Sam", 60000, null, 1, "Joe", 70000, 3], [4, "Max", 90000, null, 2, "Henry", 80000, 4]]} 2) e1.Salary(매니저 급여) < e2.Salary(직원 급여) SELECT * FROM Employee e1, Employee e2 WHERE e1.Id = e2.ManagerId AND e1.S..
LeetCode/SQL 2021. 1. 18. 18:25
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