LeetCode Medium 177 'Nth Highest Salary' Amazon Bloomberg Interview SQL Question With Explanation

In this video I solve and explain a medium difficulty leetcode SQL question using MySQL query. This question has been asked in Apple, Facebook, Amazon, Google, Adobe, Microsoft, Adobe interviews or what we popularly call FAANG interviews.
I explain the related concept as well. This question includes points to keep in mind to develop SQL queries.

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[jeroldmorphy]

man you are wonderful. You are the only I guy I have seen that writes FROM before SELECT, which is how it should be

[devsagar]

Alternative if interviewer ask to not to use windows functions:


CREATE FUNCTION getNthHighestSalary(N INT) RETURNS INT
BEGIN
SET N = N-1;
RETURN (
# Write your MySQL query statement below.
select
distinct salary
from Employee
order by salary desc
limit 1 offset N

);
END

[needoa]

can you explain why u write in code where rnk = n