Testing Data Vault-based Data Warehouse File

Verify every Hub has a unique business key and no duplicates. Ensure the Load_Date and Record_Source are present.

Intentionally feed "bad" data into the pipeline to ensure it is caught by error Satellites rather than crashing the load. Success Metrics (KPIs) Testing Data Vault-Based Data Warehouse

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." Verify every Hub has a unique business key and no duplicates

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). it must be validated via query).