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A hard SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.
- Domain
- SQL
- Difficulty
- hard
- Seniority
- mid, senior
Problem
For each content creator, which content type do they publish most often? If a creator is tied across multiple types, include all of the tied types. Show each creator and their most-published content type.
Practice This Problem
Solve this SQL problem with real code execution. DataDriven runs your SQL queries against a live PostgreSQL database and grades it instantly.