Who's Looking
A easy SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.
- Domain
- SQL
- Difficulty
- easy
- Seniority
- L3
Problem
The search quality team needs a unique user reach metric. How many unique users have issued at least one search query?
Summary
Every search is a question someone needed answered. Count the people asking.
Practice This Problem
Solve this SQL problem with real code execution. DataDriven runs your SQL queries against a real database and grades it automatically.