add solution for leetcode 177 184 197

Author: Zhanganjin0520

README.md

@@ -233,17 +233,20 @@
 |200|[Number of Islands](https://leetcode.com/problems/number-of-islands/)| |Medium|
 |199|[Binary Tree Right Side View](https://leetcode.com/problems/binary-tree-right-side-view/)| |Medium|
 |198|[House Robber](https://leetcode.com/problems/house-robber/)| |Easy|
+|197|[Rising Temperature](https://leetcode.com/problems/rising-temperature/)| [Mysql](./algorithms/risingTemperature/Solution.sql) |Easy| 
 |196|[Delete Duplicate Emails](https://leetcode.com/problems/delete-duplicate-emails/)| [Mysql](./algorithms/deleteDuplicateEmails/Solution.sql) |Easy| 
 |191|[Number of 1 Bits](https://leetcode.com/problems/number-of-1-bits/)| [java](./algorithms/numberof1bits/Solution.java) |Easy|
 |190|[Reverse Bits](https://leetcode.com/problems/reverse-bits/)| |Easy|
 |189|[Rotate Array](https://leetcode.com/problems/rotate-array/)| |Easy|
 |188|[Best Time to Buy and Sell Stock IV](https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv/)| |Hard|
 |187|[Repeated DNA Sequences](https://leetcode.com/problems/repeated-dna-sequences/)| |Medium|
 |186|[Reverse Words in a String II](https://leetcode.com/problems/reverse-words-in-a-string-ii/) ♥ | |Medium|
+|184|[Department Highest Salary/](https://leetcode.com/problems/department-highest-salary/)| [Mysql](./algorithms/departmentHightestSalary/Solution.sql) |Medium| 
 |183|[Customers Who Never Order](https://leetcode.com/problems/customers-who-never-order/)| [Mysql](./algorithms/customersWhoNeverOrder/Solution.sql) |Easy| 
 |182|[Duplicate Email](https://leetcode.com/problems/duplicate-emails/)| [Mysql](./algorithms/duplicateEmails/Solution.sql) |Easy| 
 |181|[Employees Earning More Than Their Managers](https://leetcode.com/problems/employees-earning-more-than-their-managers/)| [Mysql](./algorithms/employeesEarningMoreThanTheirManagers/Solution.sql) |Easy| 
 |179|[Largest Number](https://leetcode.com/problems/largest-number/) | |Medium|
+|177|[Nth Highest Salary](https://leetcode.com/problems/nth-highest-salary/)| [Mysql](./algorithms/nthHightestSalary/Solution.sql) |Easy|
 |176|[Second Highest Salary](https://leetcode.com/problems/second-highest-salary/)| [Mysql](./algorithms/secondHightestSalary/Solution.sql) |Easy|
 |175|[Combine Two Tables](https://leetcode.com/problems/combine-two-tables/)| [Mysql](./algorithms/combineTwoTable/Solution.sql) |Easy|
 |174|[Dungeon Game](https://leetcode.com/problems/dungeon-game/) | |Hard|

algorithms/departmentHighestSalary/Solution.sql

@@ -0,0 +1,19 @@
+-- # Write your MySQL query statement below
+-- Group BY 函数进行分组
+SELECT
+    Department.name AS 'Department',
+    Employee.name AS 'Employee',
+    Salary
+FROM
+    Employee
+        JOIN
+    Department ON Employee.DepartmentId = Department.Id
+WHERE
+    (Employee.DepartmentId , Salary) IN
+    (   SELECT
+            DepartmentId, MAX(Salary)
+        FROM
+            Employee
+        GROUP BY DepartmentId
+	)
+;

algorithms/nthHighestSalary/Solution.sql

@@ -0,0 +1,16 @@
+CREATE FUNCTION getNthHighestSalary(N INT) RETURNS INT
+BEGIN
+    SET N := N-1;
+  RETURN (
+      # Write your MySQL query statement below.
+      SELECT 
+            salary
+      FROM 
+            employee
+      GROUP BY 
+            salary
+      ORDER BY 
+            salary DESC
+      LIMIT N, 1
+  );
+END

algorithms/risingTemperature/Solution.sql

@@ -0,0 +1,9 @@
+# Write your MySQL query statement below
+SELECT
+    weather.id AS 'Id'
+FROM
+    weather weather
+        JOIN
+    weather w ON DATEDIFF(weather.recordDate, w.recordDate) = 1
+        AND weather.Temperature > w.Temperature
+;