Testing Data Vault-based Data Warehouse Apr 2026

Test the performance of PIT tables; they should significantly speed up the joining of multiple Satellites.

The "Information Mart" layer is where users actually query the data.

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). Testing Data Vault-Based Data Warehouse

Validate that business rules applied in the Business Vault match the requirements.

You should be able to trace any record in a Star Schema back to its specific Hub and Source system. Test the performance of PIT tables; they should

Data Vault should allow for high-concurrency loading.

The Business Vault contains transformed data (e.g., calculated fields or cleaned addresses). Test for referential integrity (though often not enforced

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