Priyam2773 patch 3

176. Second Highest Salary

@@ -0,0 +1,6 @@
+SELECT (
+  SELECT DISTINCT salary
+  FROM Employee
+  ORDER BY salary DESC
+  LIMIT 1 OFFSET 1
+) AS SecondHighestSalary;

177. Nth Highest Salary

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+CREATE FUNCTION getNthHighestSalary(N INT) RETURNS INT
+BEGIN
+SET N = N-1;
+  RETURN (
+      SELECT DISTINCT(salary) from Employee order by salary DESC
+      LIMIT 1 OFFSET N
+
+  );
+END
+
+#pls upvote if you find solution easy to undestand....!! Thanks..!!!

181. Employees Earning More Than Their Managers

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+SELECT e1.name AS Employee
+FROM Employee e1
+JOIN Employee e2 ON e1.managerId = e2.id
+WHERE e1.salary > e2.salary;