Run the same load twice. The system should recognize the data exists and result in zero new inserts.
Data Vault excels at "insert-only" logic. Your tests should mirror this. Testing Data Vault-Based Data Warehouse
Data Vault should allow for high-concurrency loading. Run the same load twice
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