knobit.org

Explains sixth normal form for temporal data

edu:Knobit

https://knobit.org/id/knobit/K-560

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Context functionsObject understanding
Knobit creation methodsAI generated
Knobit typesKnowledge
LCG purposesAssessing the learner's knowledge or skill state
LCG purposesOpening up a learning outcome
action verbExplains en
assessment criterionGroups the attributes of a sample history entity by when they change and justifies the split en
assessment methodWritten question with sample entities en
conforms to profilehttps://oppekava.edu.ee/a/Knobitite_kirjeldamise_ja_seostamise_reeglid#LCG-KNOBIT-0.1
dcterms:identifierK-560
dcterms:licensehttps://creativecommons.org/licenses/by/4.0/
dcterms:sourceNormalisation theory and relational design (Codd, Fagin, Date), as used by the stage 5 reference and review checklist en
depends on knobitExplains join dependency and fifth normal form
expected resultAttributes that change independently over time get their own validity periods en
owl:sameAshttps://bitbucket.org/reffa/ontology/id/knobit/data-modelling/05-logical/K-560
rdfs:labelExplains sixth normal form for temporal data en
schema:creativeWorkStatusaccepted
schema:isPartOfData modelling (DAMA-DMBOK2)
skos:definitionAttributes that change independently over time get their own validity periods. en
skos:prefLabelExplains sixth normal form for temporal data en
target objectsixth normal form en

Used by

applies knowledgeRecognises independently changing histories in one entity
depends on knobitExplains time-based modelling schemes
includes knobitDerives a normalised logical data model and traces anomalies to their causes
includes knobitNormalisation
requires knobitDerive the logical data model