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Event Types Spanning Multiple Months
A easy SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.
- Domain
- SQL
- Difficulty
- easy
- Seniority
- junior, mid
Problem
The analytics team is identifying event types with sustained activity rather than one-off spikes. Which event types appear in at least 2 different calendar months?
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.