DataDriven
LearnPracticeInterviewDiscussDailyJobs

Disabled Flag Ratio

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

Domain
SQL
Difficulty
medium
Seniority
L3

Problem

An early rollout on January 2, 2022 disabled several feature flags at once. Among flags that were updated on that exact date, what fraction are disabled (enabled = 0)? Return a single decimal value.

Summary

Feature flags that went dark. What percentage fell silent?

Practice This Problem

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

Related

  • All Practice Problems
  • Mock Interview Mode
  • SQL Interview Questions
  • Data Engineering Interview Prep Guide
  • Daily Challenge
  • Data Engineering Lessons