Explains relationship cardinality and optionality
https://knobit.org/id/knobit/K-567
Also as Turtle · JSON-LD · RDF/XML · AI benchmark on Skilirium
| Context functions | Object understanding |
|---|---|
| Knobit creation methods | AI generated |
| Knobit creation methods | AI generated, AI edited |
| Knobit types | Knowledge |
| LCG purposes | Assessing the learner's knowledge or skill state |
| LCG purposes | Opening up a learning outcome |
| action verb | Explains en |
| assessment criterion | States the cardinality and optionality of sample relationships in both directions from their rules en |
| assessment method | Written question with sample entities en |
| conforms to profile | https://oppekava.edu.ee/a/Knobitite_kirjeldamise_ja_seostamise_reeglid#LCG-KNOBIT-0.1 |
| dcterms:identifier | K-567 |
| dcterms:identifier | Q-284 |
| dcterms:license | https://creativecommons.org/licenses/by/4.0/ |
| dcterms:source | Normalisation theory and relational design (Codd, Fagin, Date), as used by the stage 5 reference and review checklist en |
| dcterms:source | Shared-URI copy of data-modelling K-567 (Normalisation theory and relational design (Codd, Fagin, Date), as used by the stage 5 reference and review checklist) en |
| expected result | Minimum and maximum participation of each end of a relationship, read in both directions en |
| owl:sameAs | https://bitbucket.org/reffa/ontology/id/knobit/data-modelling/05-logical/K-567 |
| rdfs:label | Explains relationship cardinality and optionality en |
| schema:creativeWorkStatus | accepted |
| schema:isPartOf | Data modelling (DAMA-DMBOK2) |
| schema:isPartOf | Data quality management (DAMA-DMBOK2) |
| skos:definition | Minimum and maximum participation of each end of a relationship, read in both directions. en |
| skos:prefLabel | Explains relationship cardinality and optionality en |
| target object | relationship cardinality and optionality en |
Used by
| applies knowledge | Recognises a mandatory attribute without its moment of obligation |
|---|---|
| applies knowledge | Recognises an unresolved many-to-many relationship |
| applies knowledge | Recognises a polymorphic association |
| applies knowledge | Recognises a redundant relationship |
| applies knowledge | Recognises a relationship contradicting its data rule |
| applies knowledge | Resolves a many-to-many relationship into an associative entity |
| applies knowledge | Recognises a cardinality rule stated from one end only |
| applies knowledge | Recognises a check weaker than its rule |
| depends on knobit | Explains the connection, fan and chasm traps |
| depends on knobit | Explains referential integrity and referential actions |
| includes knobit | Derives a normalised logical data model and traces anomalies to their causes |
| includes knobit | Documents data rules in SBVR and resolves rule anomalies |
| includes knobit | Logical data model |
| includes knobit | Relationship |
| requires knobit | Derive the logical data model |
| requires knobit | Document data rules in SBVR |