Practice problems across 75+ categories
Practice problems frequently asked at Database • 324 problems | 120 Easy | 135 Medium | 61 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 241 | Rank Scores | Medium | Database |
| 242 | Rearrange Products Table | Easy | Database |
| 243 | Rectangles Area | Medium | Database |
| 244 | Recyclable and Low Fat Products | Easy | Database |
| 245 | Reformat Department Table | Easy | Database |
| 246 | Rename Columns | Easy | Database |
| 247 | Replace Employee ID With The Unique Identifier | Easy | Database |
| 248 | Report Contiguous Dates | Hard | Database |
| 249 | Reported Posts | Easy | Database |
| 250 | Reported Posts II | Medium | Database |
| 251 | Reshape Data: Concatenate | Easy | Database |
| 252 | Reshape Data: Melt | Easy | Database |
| 253 | Reshape Data: Pivot | Easy | Database |
| 254 | Restaurant Growth | Medium | Database |
| 255 | Rising Temperature | Easy | Database |
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