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Same First and Last Reply Target
A medium SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.
- Domain
- SQL
- Difficulty
- medium
- Seniority
- senior
Problem
Something odd turned up in messaging analytics. Find users whose first and last message in a channel on the same day were sent to the same recipient. Show the sender, recipient, and the date.
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.