@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix edu: <https://knobit.org/def/> .
@prefix knobit: <https://knobit.org/id/knobit/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix register: <https://knobit.org/id/register/> .
@prefix schema: <https://schema.org/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

knobit:K-515 a edu:Knobit ;
    rdfs:label "Recognises a functional dependency lost in a decomposition"@en ;
    dcterms:identifier "K-515" ;
    dcterms:license <https://creativecommons.org/licenses/by/4.0/> ;
    dcterms:source "Review checklist 03-logical, row 15; Rissanen 1977; E&N ch. 15"@en ;
    skos:altLabel "Dependency lost in decomposition (logical model)"@en ;
    skos:definition "After a split, a dependency spans two entities and no key in either one enforces it. Typical after a BCNF split (row 11)."@en ;
    skos:prefLabel "Recognises a functional dependency lost in a decomposition"@en ;
    edu:actionVerb "Recognises"@en ;
    edu:appliesKnowledge knobit:K-564 ;
    edu:assessmentCriterion "Flags the deficient case and passes the acceptable one. Deficient: After row 11's split, nothing says a loan has only one collections officer per product family Acceptable: Either stay in 3NF with a waiver naming the accepted anomaly, or record the dependency as a data rule with `enforcement: application` or `dq-check`"@en ;
    edu:assessmentMethod "skill-tests task: Loan application logical model (normalisation anomaly skills)"@en ;
    edu:contextFunction <https://knobit.org/def/contextFunction/resultEvaluation> ;
    edu:creationMethod <https://knobit.org/def/creationMethod/aiGeneratedHumanEdited> ;
    edu:expectedResult "The dependency that now spans two entities and that no key enforces"@en ;
    edu:graphRelevance <https://knobit.org/def/graphRelevance/learnerState>,
        <https://knobit.org/def/graphRelevance/taskSelection> ;
    edu:knobitType <https://knobit.org/def/knobitType/skill> ;
    edu:targetObject "functional dependency lost in a decomposition"@en ;
    schema:creativeWorkStatus "accepted" ;
    schema:isPartOf register:data-modelling .

edu:Knobit rdfs:label "Knobit"@en,
        "Knobit"@et .

knobit:K-564 rdfs:label "Explains dependency preservation"@en .