test

Author: letsdeepchat

SUBQUERIES/185. Department Top Three Salaries.sql

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+-- Write your MySQL query statement below
+SELECT Department, Employee, Salary
+FROM (
+    SELECT 
+        d.name AS Department,
+        e.name AS Employee,
+        e.salary AS Salary,
+        DENSE_RANK() OVER (PARTITION BY d.name ORDER BY Salary DESC) AS rnk
+    FROM Employee e
+    JOIN Department d
+    ON e.departmentId = d.id
+) AS rnk_tbl
+WHERE rnk <= 3;