Confirm Links correctly map relationships between Hubs. Test for referential integrity (though often not enforced by DB constraints in DV, it must be validated via query).
You should be able to trace any record in a Star Schema back to its specific Hub and Source system. Testing Data Vault-Based Data Warehouse
Intentionally feed "bad" data into the pipeline to ensure it is caught by error Satellites rather than crashing the load. Success Metrics (KPIs) Confirm Links correctly map relationships between Hubs
The Business Vault contains transformed data (e.g., calculated fields or cleaned addresses). Testing Data Vault-Based Data Warehouse
Since Data Vault is pattern-based, the first layer of testing ensures the "plumbing" follows the methodology.