C2 (2 points)

https://knobit.org/id/task/dm-design-schemes/C2

dcterms:license	https://creativecommons.org/licenses/by/4.0/
owl:sameAs	https://bitbucket.org/reffa/ontology/id/task/dm-design-schemes/C2
rdfs:label	C2 (2 points) en
schema:hasPart	dm-design-schemes C2: Data Vault for customers and accounts from two sources
schema:identifier	C2
schema:position	2
schema:text	Data Vault for auditable history, 1 each: (a) hubs on business keys - the customer (on the personal identification code both systems hold, or a hub per source key joined by a same-as link) and the account (IBAN) - and a link for the holding relationship, with no source surrogate or attribute in a hub; (b) satellites split per source system (core banking and the card system separately), each with load date and record source (a hash diff or equivalent change detection), loaded insert-only so that nothing is ever overwritten and Compliance can read what each system said on any past date. en

Used by

has question	Seven retail banking designs in seven DMBOK2 modelling schemes (scheme design skills)
schema:isPartOf	dm-design-schemes C2: Data Vault for customers and accounts from two sources