@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix edu: <https://knobit.org/def/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix schema: <https://schema.org/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://knobit.org/id/task/physical-model/I3> a edu:Question ;
    rdfs:label "I3 (2 points)"@en ;
    dcterms:license <https://creativecommons.org/licenses/by/4.0/> ;
    owl:sameAs <https://bitbucket.org/reffa/ontology/id/task/physical-model/I3> ;
    schema:hasPart <https://knobit.org/id/register/data-modelling#I-607> ;
    schema:identifier "I3" ;
    schema:position 6 ;
    schema:text "The rolled-up subtypes, 1 each: (a) employer_name and business_registration_number are both nullable on DIM_CUSTOMER with nothing saying which applies, so a discriminator column or an equivalent is added; (b) the conditional rule - exactly one of the two is present, by employment type - is recorded as a data quality rule, because Snowflake will not enforce it."@en .

edu:Question rdfs:label "Question"@en,
        "Küsimus"@et .

<https://knobit.org/id/register/data-modelling#I-607> rdfs:label "physical-model I3: rolled-up subtypes given a discriminator and a check"@en .