feat: add sql solution to lc problem: No.0185

No.0185.Department Top Three Salaries

Author: yanglbme

solution/0100-0199/0185.Department Top Three Salaries/README.md

@@ -122,4 +122,30 @@ WHERE
     ) < 3
 ```
 
+```sql
+# Write your MySQL query statement below
+with t as (
+    select
+        departmentId,
+        name,
+        salary,
+        dense_rank() over(
+            partition by departmentId
+            order by
+                salary desc
+        ) as rk
+    from
+        Employee
+)
+select
+    d.name Department,
+    t.name Employee,
+    salary Salary
+from
+    t
+    join Department d on t.departmentId = d.id
+where
+    rk < 4
+```
+
 <!-- tabs:end -->

solution/0100-0199/0185.Department Top Three Salaries/README_EN.md

@@ -118,4 +118,30 @@ WHERE
     ) < 3
 ```
 
+```sql
+# Write your MySQL query statement below
+with t as (
+    select
+        departmentId,
+        name,
+        salary,
+        dense_rank() over(
+            partition by departmentId
+            order by
+                salary desc
+        ) as rk
+    from
+        Employee
+)
+select
+    d.name Department,
+    t.name Employee,
+    salary Salary
+from
+    t
+    join Department d on t.departmentId = d.id
+where
+    rk < 4
+```
+
 <!-- tabs:end -->

solution/0100-0199/0185.Department Top Three Salaries/Solution.sql

@@ -1,17 +1,23 @@
-SELECT
-	Department.NAME AS Department,
-	Employee.NAME AS Employee,
-	Salary
-FROM
-	Employee,
-	Department
-WHERE
-	Employee.DepartmentId = Department.Id
-	AND  (SELECT
-            COUNT(DISTINCT e2.Salary)
-        FROM
-            Employee e2
-        WHERE
-            e2.Salary > Employee.Salary
-                AND Employee.DepartmentId = e2.DepartmentId
-    ) < 3
+# Write your MySQL query statement below
+with t as (
+    select
+        departmentId,
+        name,
+        salary,
+        dense_rank() over(
+            partition by departmentId
+            order by
+                salary desc
+        ) as rk
+    from
+        Employee
+)
+select
+    d.name Department,
+    t.name Employee,
+    salary Salary
+from
+    t
+    join Department d on t.departmentId = d.id
+where
+    rk < 4