Data Vault Anti-pattern: Excluding the Dependent Child in the generating the LINK Hashkey

If your LINKs have Dependent Childs, for e.g. Order Line Item as show below, it is crucial that the Order Line Item is included the LINK Hashkey.


If the Dependent Child is not included the generation of the LINK Hashkey, the JOINs to the LINK table will not be easy.