diff --git a/README.md b/README.md
index 619adf2..2d71b98 100644
--- a/README.md
+++ b/README.md
@@ -162,6 +162,7 @@ Useful for preparing for technical interviews and improving your SQL skills.
- [3570. Find Books with No Available Copies](./leetcode/easy/3570.%20Find%20Books%20with%20No%20Available%20Copies.sql)
2. [Medium](./leetcode/medium/)
- [176. Second Highest Salary](./leetcode/medium/176.%20Second%20Highest%20Salary.sql)
+ - [177. Nth Highest Salary](./leetcode/medium/177.%20Nth%20Highest%20Salary.sql)
- [180. Consecutive Numbers](./leetcode/medium/180.%20Consecutive%20Numbers.sql)
- [184. Department Highest Salary](./leetcode/medium/184.%20Department%20Highest%20Salary.sql)
- [550. Game Play Analysis IV](./leetcode/medium/550.%20Game%20Play%20Analysis%20IV.sql)
diff --git a/leetcode/medium/177. Nth Highest Salary.sql b/leetcode/medium/177. Nth Highest Salary.sql
new file mode 100644
index 0000000..220cdd2
--- /dev/null
+++ b/leetcode/medium/177. Nth Highest Salary.sql
@@ -0,0 +1,35 @@
+/*
+Question 177. Nth Highest Salary
+Link: https://leetcode.com/problems/nth-highest-salary/description/?envType=problem-list-v2&envId=database
+
+Table: Employee
+
++-------------+------+
+| Column Name | Type |
++-------------+------+
+| id | int |
+| salary | int |
++-------------+------+
+id is the primary key (column with unique values) for this table.
+Each row of this table contains information about the salary of an employee.
+
+
+Write a solution to find the nth highest distinct salary from the Employee table. If there are less than n distinct salaries, return null.
+*/
+
+CREATE OR REPLACE FUNCTION NTHHIGHESTSALARY(N INT) RETURNS TABLE (Salary INT) AS $$ --noqa: CP03 (function NthHighestSalary)
+BEGIN
+ IF N <= 0 THEN
+ Salary := NULL;
+ RETURN NEXT;
+ RETURN;
+ END IF;
+
+ RETURN QUERY (
+ SELECT DISTINCT e.salary
+ FROM Employee e
+ ORDER BY e.salary DESC
+ LIMIT 1 OFFSET (N - 1)
+ );
+END;
+$$ LANGUAGE plpgsql;
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