Data Vault-based Data Warehouse — Testing

Data Vault should allow for high-concurrency loading.

Verify every Hub has a unique business key and no duplicates. Ensure the Load_Date and Record_Source are present. Testing Data Vault-Based Data Warehouse

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). Data Vault should allow for high-concurrency loading

Since Data Vault is pattern-based, the first layer of testing ensures the "plumbing" follows the methodology. Testing Data Vault-Based Data Warehouse

Insert a record with a modified attribute. Verify that a new Satellite record is created with the updated data while the old record remains (historical tracking).