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

L5

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.

Summary

They started and ended the month messaging the same person.

Practice This Problem

Solve this SQL problem with real code execution. DataDriven runs your SQL queries against a real database and grades it automatically.