knobit.org

Recognises a partial dependency on a composite key

edu:Knobit

https://knobit.org/id/knobit/K-508

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Context functionsResult evaluation
Knobit creation methodsAI generated, human edited
Knobit typesSkill
LCG purposesAssessing the learner's knowledge or skill state
LCG purposesSelecting an assessment task or learning activity
action verbRecognises en
applies knowledgeExplains second normal form
assessment criterionFlags the deficient case and passes the acceptable one. Deficient: Instalment keyed by (Loan Identifier, Instalment Number) carries Loan Maturity Date, which depends on Loan Identifier alone Acceptable: Loan Maturity Date on Loan; Instalment holds only facts about the instalment (`LOG-019`) en
assessment methodskill-tests task: Loan application logical model (normalisation anomaly skills) en
conforms to profilehttps://oppekava.edu.ee/a/Knobitite_kirjeldamise_ja_seostamise_reeglid#LCG-KNOBIT-0.1
dcterms:identifierK-508
dcterms:licensehttps://creativecommons.org/licenses/by/4.0/
dcterms:sourceReview checklist 03-logical, row 8; Codd 1971; Kent 1983; S&W 2.7 en
expected resultThe non-key attribute and the part of the key it depends on en
followed byDecomposes an entity along a functional dependency without loss
owl:sameAshttps://bitbucket.org/reffa/ontology/id/knobit/data-modelling/05-logical/08
rdfs:labelRecognises a partial dependency on a composite key en
schema:creativeWorkStatusaccepted
schema:isPartOfData modelling (DAMA-DMBOK2)
skos:altLabelPartial dependency (2NF) (logical model) en
skos:definitionIn an entity with a composite key, a non-key attribute depends on only part of the key. en
skos:prefLabelRecognises a partial dependency on a composite key en
target objectpartial dependency on a composite key en

Used by

followed byRecords the functional dependencies of an entity
includes knobitDerives a normalised logical data model and traces anomalies to their causes
requires knobitDerive the logical data model