Practice problems across 75+ categories
Practice problems frequently asked at Database • 324 problems | 120 Easy | 135 Medium | 61 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 196 | Maximum Transaction Each Day | Medium | Database |
| 197 | Median Employee Salary | Hard | Database |
| 198 | Merge Overlapping Events in the Same Hall | Hard | Database |
| 199 | Method Chaining | Easy | Database |
| 200 | Modify Columns | Easy | Database |
| 201 | Monthly Transactions I | Medium | Database |
| 202 | Monthly Transactions II | Medium | Database |
| 203 | Movie Rating | Medium | Database |
| 204 | New Users Daily Count | Medium | Database |
| 205 | Not Boring Movies | Easy | Database |
| 206 | NPV Queries | Easy | Database |
| 207 | Nth Highest Salary | Medium | Database |
| 208 | Number of Accounts That Did Not Stream | Medium | Database |
| 209 | Number of Calls Between Two Persons | Medium | Database |
| 210 | Number of Comments per Post | Easy | Database |
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