OThers 9 - sql

leetcode 175 - Combine Two Tables [E]

leetcode 176 - Second Highest Salary [E]

leetcode 177 - Nth Highest Salary [M]

lettcode 178 - Rank Scores [M]

leetcode 180 - Consecutive Numbers [M]

leetcode 181 - Employees Earning More Than Their Managers [E]

leetcode 182 - Duplicate Emails [E]

leetcode 183 - Customers Who Never Order [E]

leetcode 184 - Department Highest Salary [M]

leetcode 185 - Department Top Three Salaries [H]

leetcode 196 - Delete Duplicate Emails [E]

leetcode 197 - Rising Temperature [E]

leetcode 262 - Trips and Users [H]