DQ Fail Rate by Table

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

Domain

SQL

Difficulty

medium

Seniority

mid

Problem

The data engineering team needs to see which tables have the worst data quality among those with a recorded severity. Show the average fail percentage per table, from the cleanest to the dirtiest.

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.