After merges, legacy systems still need their original keys to keep integrations working. What identifier practice should MDM retain?
Select an answer to reveal the explanation.
Short Explanation
Old systems still speak old IDs. Keep a crosswalk from source keys to the golden ID or integrations break overnight.
Full Explanation
Identifier strategy after merge must retain source-to-golden crosswalks so legacy consumers can resolve entities without wholesale rekeying. Erasing source keys, forcing unmapped reinvention, or paper-only references break continuity.