My Leetcode adventure!

I've decided to practice one SQL challenge per day to improve my grasp of SQL (Only free ones as I don't have access to the premium challenges!)

Problem Link	My solution	Explanation
Second Highest Salary	Solution	Blog Post
Nth Highest Salary	Solution	Blog Post
Trips and Users	Solution	Blog Post
Department Top Three Salaries	Solution	Blog Post
Human Traffic of Stadium	Solution	Blog Post
Duplicate Emails	Solution	Blog Post
Rising Temperature	Solution	Blog Post
Rank Scores	Solution	Blog Post
Consecutive Numbers	Solution	Blog Post
Department Highest Salary	Solution	Blog Post
Tree Node	Solution	Blog Post
Exchange Seats	Solution	Blog Post
Customers Who Never Order	Solution	Blog Post
Market Analysis I	Solution	NA
Capital Gain/Loss	Solution	NA
Combine Two Tables	Solution	NA
Employees Earning More Than Their Managers	Solution	NA