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| 262 | Trips and Users | 16.1% | Hard | |
| 197 | Rising Temperature | 25.7% | Easy | |
| 196 | Delete Duplicate Emails | 18.9% | Easy | |
| 185 | Department Top Three Salaries | 15.1% | Hard | |
| 184 | Department Highest Salary | 18.9% | Medium | |
| 183 | Customers Who Never Order | 33.7% | Easy | |
| 182 | Duplicate Emails | 37.9% | Easy | |
| 181 | Employees Earning More Than Their Managers | 41.0% | Easy | |
| 180 | Consecutive Numbers | 26.5% | Medium | |
| 178 | Rank Scores | 24.4% | Medium | |
| 177 | Nth Highest Salary | 16.2% | Medium | |
| 176 | Second Highest Salary | 24.9% | Easy | |
| 175 | Combine Two Tables | 34.2% | Easy |