knobit.org

Explains the connection, fan and chasm traps

edu:Knobit

https://knobit.org/id/knobit/K-569

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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 criterionNames the trap on sample paths of two relationships and what each lets a reader wrongly conclude 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-569
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 relationship cardinality and optionality
expected resultHow a path of relationships can state a fact that was never recorded, lose a question, or drop instances en
owl:sameAshttps://bitbucket.org/reffa/ontology/id/knobit/data-modelling/05-logical/K-569
rdfs:labelExplains the connection, fan and chasm traps en
schema:creativeWorkStatusaccepted
schema:isPartOfData modelling (DAMA-DMBOK2)
skos:definitionHow a path of relationships can state a fact that was never recorded, lose a question, or drop instances. en
skos:prefLabelExplains the connection, fan and chasm traps en
target objectconnection, fan and chasm traps en

Used by

applies knowledgeRecognises a connection trap
applies knowledgeRecognises a fan trap
applies knowledgeRecognises a chasm trap
applies knowledgeRecognises a nullable foreign key on a reporting join path
includes knobitDerives a normalised logical data model and traces anomalies to their causes
requires knobitDerive the logical data model