I5 (1 points)
https://knobit.org/id/task/dm-logical-integrity/I5
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| dcterms:license | https://creativecommons.org/licenses/by/4.0/ |
|---|---|
| owl:sameAs | https://bitbucket.org/reffa/ontology/id/task/dm-logical-integrity/I5 |
| rdfs:label | I5 (1 points) en |
| schema:hasPart | dm-logical-integrity I5: polymorphic complaint subject |
| schema:identifier | I5 |
| schema:position | 12 |
| schema:text | Polymorphic association: Complaint's Subject Identifier points at an account, a card or a loan depending on Subject Type Code, so no relationship, cardinality or foreign key can be declared. Replaced by one optional relationship per parent (Account, Card, Loan) plus a data rule that exactly one is set (BR-142), or by a shared supertype only if the answer argues that account, card and loan pass the overlapping-entity test. en |
Used by
| has question | Retail banking servicing logical model (higher normal forms, decomposition and path anomaly skills) |
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| schema:isPartOf | dm-logical-integrity I5: polymorphic complaint subject |