Database (18 completed)
| # | Title | Level | Cats | Solution | Languages | Date Complete |
|---|---|---|---|---|---|---|
| 175 | Combine Two Tables | Easy | solution | py, sql | May 22, 2024 | |
| 176 | Second Highest Salary | Medium | solution | sql | May 22, 2024 | |
| 177 | Nth Highest Salary | Medium | solution | sql | May 22, 2024 | |
| 181 | Employees Earning More Than Their Managers | Easy | solution | sql | May 22, 2024 | |
| 182 | Duplicate Emails | Easy | solution | sql | May 22, 2024 | |
| 183 | Customers Who Never Order | Easy | solution | sql | May 22, 2024 | |
| 184 | Department Highest Salary | Medium | solution | sql | Jun 07, 2024 | |
| 196 | Delete Duplicate Emails | Easy | solution | py, sql | Jun 07, 2024 | |
| 197 | Rising Temperature | Easy | solution | sql | May 22, 2024 | |
| 577 | Employee Bonus | Easy | solution | sql | May 22, 2024 | |
| 584 | Find Customer Referee | Easy | solution | sql | May 22, 2024 | |
| 586 | Customer Placing the Largest Number of Orders | Easy | solution | sql | May 22, 2024 | |
| 595 | Big Countries | Easy | solution | sql | May 22, 2024 | |
| 596 | Classes More Than 5 Students | Easy | solution | sql | May 22, 2024 | |
| 607 | Sales Person | Easy | solution | sql | May 22, 2024 | |
| 619 | Biggest Single Number | Easy | solution | sql | May 22, 2024 | |
| 1068 | Product Sales Analysis I | Easy | solution | sql | May 22, 2024 | |
| 1783 | Grand Slam Titles | Medium | solution | sql | Jun 07, 2024 |