Decomposes an entity along a functional dependency without loss
https://knobit.org/id/knobit/K-533
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| Context functions | Action adjustment |
|---|---|
| Knobit creation methods | AI generated |
| Knobit types | Skill |
| LCG purposes | Assessing the learner's knowledge or skill state |
| LCG purposes | Selecting an assessment task or learning activity |
| action verb | Decomposes en |
| applies knowledge | Explains lossless-join decomposition |
| applies knowledge | Explains dependency preservation |
| assessment criterion | The shared attributes are a key of one part, no dependency is left spanning two entities, and the dependent attributes move with their determinant en |
| assessment method | skill-tests task: Loan application logical model (normalisation anomaly skills) en |
| conforms to profile | https://oppekava.edu.ee/a/Knobitite_kirjeldamise_ja_seostamise_reeglid#LCG-KNOBIT-0.1 |
| dcterms:identifier | K-533 |
| dcterms:license | https://creativecommons.org/licenses/by/4.0/ |
| dcterms:source | Stage 5 reference (references/05-logical.md) and the skill-tests logical-model task en |
| expected result | Two or more entities that join back to exactly the original rows and keep every dependency enforceable en |
| owl:sameAs | https://bitbucket.org/reffa/ontology/id/knobit/data-modelling/05-logical/K-533 |
| rdfs:label | Decomposes an entity along a functional dependency without loss en |
| schema:creativeWorkStatus | accepted |
| schema:isPartOf | Data modelling (DAMA-DMBOK2) |
| skos:definition | Repairs a normal-form violation by moving the determinant and its dependents into an entity of their own, losslessly and preserving dependencies. en |
| skos:prefLabel | Decomposes an entity along a functional dependency without loss en |
| target object | entity with a partial, transitive or non-key dependency en |