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Total Hours Between Consecutive Events
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
Our pipeline tracks user events with timestamps. For each event type, calculate the total hours elapsed between consecutive events of the same 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.