Campaign Click Rate

A medium SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.

Domain

SQL

Difficulty

medium

Seniority

L4

Problem

Limit to users who also appear in page_views. For each ad campaign, compute the percentage of that campaign's impressions which were clicked. Show the campaign and clicked percentage, highest first.

Summary

Among engaged users, which campaigns landed.

Practice This Problem

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