A solution for Leetcode database problem
| Id | Question | Level |
|---|---|---|
| 598 | Big Countries | Easy |
| 182 | Duplicate Emails | Easy |
| 672 | Swap Salary | Easy |
| 620 | Not Boring Movies | Easy |
| 175 | Combine Two Tables | Easy |
| 181 | Employees Earning More Than Their Managers | Easy |
| 183 | Customers Who Never Order | Easy |
| 196 | Delete Duplicate Emails | Easy |
| 197 | Rising Temperature | Easy |
| 596 | Classes More Than 5 Students | Easy |
| 176 | Second Highest Salary | Easy |
| 626 | Exchange Seats | Medium |
| 178 | Rank Scores | Medium |
| 180 | Consecutive Numbers | Medium |
| 177 | Nth Highest Salary | Medium |
| 184 | Department Highest Salary | Medium |
| 601 | Human Traffic of Stadium | Hard |
| 262 | Trips and Users | Hard |
| 185 | Department Top Three Salaries | Hard |