Testing Data Vault-based Data Warehouse -

You should be able to trace any record in a Star Schema back to its specific Hub and Source system.

Ensure "Zero Keys" or "Ghost Records" exist in Hubs to handle late-arriving data or missing lookups without breaking the model. 3. Data Integrity & Reconciliation This ensures that "what went in is what came out." Testing Data Vault-Based Data Warehouse

Since Data Vault is pattern-based, the first layer of testing ensures the "plumbing" follows the methodology. You should be able to trace any record

Test the performance of PIT tables; they should significantly speed up the joining of multiple Satellites. Testing Data Vault-Based Data Warehouse