Recognises a cardinality rule stated from one end only

https://knobit.org/id/knobit/Q-218

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Context functions	Result evaluation
Knobit creation methods	AI generated, human edited
Knobit types	Skill
LCG purposes	Assessing the learner's knowledge or skill state
LCG purposes	Selecting an assessment task or learning activity
action verb	Recognises en
applies knowledge	Explains relationship cardinality and optionality
assessment criterion	Flags the deficient case and passes the acceptable one. Deficient: "Each account has exactly one IBAN" (nothing stops two accounts sharing one) Acceptable: Both: "each account has exactly one IBAN" and "each IBAN is held by at most one account" en
assessment method	skill-tests task: Loan application data rules (data rule anomaly skills) en
conforms to profile	https://oppekava.edu.ee/a/Knobitite_kirjeldamise_ja_seostamise_reeglid#LCG-KNOBIT-0.1
dcterms:identifier	Q-218
dcterms:license	https://creativecommons.org/licenses/by/4.0/
dcterms:source	Review checklist 02-data-rules (data-quality), row 18; formerly data-modelling K-318 en
expected result	The unconstrained end and the rule for it en
owl:sameAs	https://bitbucket.org/reffa/ontology/id/knobit/data-modelling/03-data-rules/18
rdfs:label	Recognises a cardinality rule stated from one end only en
schema:creativeWorkStatus	accepted
schema:isPartOf	Data quality management (DAMA-DMBOK2)
skos:altLabel	One direction only (data rule) en
skos:definition	A cardinality rule stated from one end, leaving the other end unconstrained. The commonest cause of duplicates. en
skos:prefLabel	Recognises a cardinality rule stated from one end only en
target object	one-directional cardinality rule en

Used by

includes knobit	Documents data rules in SBVR and resolves rule anomalies
includes knobit	Identify critical data and business rules
requires knobit	Document data rules in SBVR