Data Quality Validation

How can we detect invalid or corrupt orders before loading them into Silver storage?

Advanced⏱ 3 Minutes⭐ 1930 XP

🤔 THE QUESTION

How can we detect invalid or corrupt orders before loading them into Silver storage?

💡 WHAT IS IT?

Quarantine checks detect null primary keys, unassigned foreign keys, and invalid negative amounts.

🎯 WHAT IS IT USED FOR?

Data quality quarantine tables, automated pipeline alerts, dead-letter queue routing.

💻 EXAMPLE

SELECT *
FROM source_orders
WHERE order_id IS NULL
OR customer_id IS NULL
OR amount < 0;

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