Tables With Many DQ Failures

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

Domain

SQL

Difficulty

medium

Seniority

L3

Problem

Our data quality checks table logs pass/fail results per table. Find tables with three or more failed checks, count their total failures, and rank sorted from most failures to least.

Summary

Some tables have never once passed QA.

Practice This Problem

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