@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-625 a edu:Knobit ;
    rdfs:label "Recognises a soft delete the constraints do not understand"@en ;
    dcterms:identifier "K-625" ;
    dcterms:license <https://creativecommons.org/licenses/by/4.0/> ;
    dcterms:source "Review checklist 04-physical, row 25; S&W 15.5; this skill (`conventions.soft_delete`)"@en ;
    skos:altLabel "Soft delete the constraints do not understand (physical model)"@en ;
    skos:definition "Rows marked deleted but still present, with keys and foreign keys unaware of the mark. The deleted row blocks a valid insert, or uniqueness is dropped and active duplicates load, and active rows reference deleted ones."@en ;
    skos:prefLabel "Recognises a soft delete the constraints do not understand"@en ;
    edu:actionVerb "Recognises"@en ;
    edu:appliesKnowledge knobit:K-653 ;
    edu:assessmentCriterion "Flags the deficient case and passes the acceptable one. Deficient: `party.is_deleted`; the unique constraint on `registry_code` includes deleted rows, so the company cannot be registered again; payments keep pointing at a deleted party Acceptable: Uniqueness over active rows only (a filtered unique index where the dialect has one, otherwise a DQ rule); a rule on what may reference a deleted row; views that expose active rows; or deleted rows moved to a history table"@en ;
    edu:assessmentMethod "skill-tests task: Loan application physical model on Snowflake (physical design anomaly skills)"@en ;
    edu:contextFunction <https://knobit.org/def/contextFunction/resultEvaluation> ;
    edu:creationMethod <https://knobit.org/def/creationMethod/aiGeneratedHumanEdited> ;
    edu:expectedResult "The keys and foreign keys unaware of the flag"@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 "deleted flag ignored by keys"@en ;
    schema:creativeWorkStatus "accepted" ;
    schema:isPartOf register:data-modelling .

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

knobit:K-653 rdfs:label "Explains referential integrity and referential actions"@en .