Multiple Data Quality Checks

How can we run multiple integrity checks across required fields simultaneously?

Advanced⏱ 3 Minutes⭐ 1370 XP

🤔 THE QUESTION

How can we run multiple integrity checks across required fields simultaneously?

💡 WHAT IS IT?

Composite OR conditions audit critical columns for nulls and out-of-range anomalies in one test.

🎯 WHAT IS IT USED FOR?

Warehouse staging quarantine filters, data pipeline health monitoring, table certification.

💻 EXAMPLE

SELECT
COUNT(*) AS bad_records
FROM employees
WHERE name IS NULL
OR department_id IS NULL
OR salary IS NULL
OR salary < 0;

Practice typing production-grade SQL code for Multiple Data Quality Checks.