Practice problems across 75+ categories
Practice problems frequently asked at Database • 324 problems | 120 Easy | 135 Medium | 61 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1 | Accepted Candidates From the Interviews | Medium | Database |
| 2 | Active Businesses | Medium | Database |
| 3 | Active Users | Medium | Database |
| 4 | Activity Participants | Medium | Database |
| 5 | Actors and Directors Who Cooperated At Least Three Times | Easy | Database |
| 6 | Ad-Free Sessions | Easy | Database |
| 7 | Ads Performance | Easy | Database |
| 8 | All People Report to the Given Manager | Medium | Database |
| 9 | All the Matches of the League | Easy | Database |
| 10 | All the Pairs With the Maximum Number of Common Followers | Medium | Database |
| 11 | All Valid Triplets That Can Represent a Country | Easy | Database |
| 12 | Analyze Organization Hierarchy | Hard | Database |
| 13 | Analyze Subscription Conversion | Medium | Database |
| 14 | Apples & Oranges | Medium | Database |
| 15 | Arrange Table by Gender | Medium | Database |
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