Term Kind Topic What it is
Business Key Collision Hub Key Collision, False Identity Match concept Data Vault Modelling Two different real-world entities merging into one hub row because the key chosen for it is unique only inside one source system - a corruption that raises no error and is expensive to unpick.
Data Vault Modelling pattern Data Vault Modelling A modelling approach separating business keys, relationships and descriptive attributes into hubs, links and satellites, optimised for auditability and change absorption.
Hub and Satellite pattern Data Vault Modelling Separating stable business keys from their changing attributes and from their relationships, so each can be loaded independently and kept forever.