Recognises a uniqueness rule with no unique key behind it
https://knobit.org/id/knobit/Q-211
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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 rule enforcement mechanisms and platform enforcement |
| applies knowledge | Explains candidate key and prime attribute |
| assessment criterion | Flags the deficient case and passes the acceptable one. Deficient: `BR-2: no two accounts share an IBAN`, `enforcement: constraint`, and no `uk_` on that column Acceptable: A unique constraint on the natural key, or the rule reassigned to a DQ check with a threshold (`ANO-012`) 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-211 |
| dcterms:license | https://creativecommons.org/licenses/by/4.0/ |
| dcterms:source | Review checklist 02-data-rules (data-quality), row 11; formerly data-modelling K-311 en |
| expected result | The rule and the missing primary key or unique constraint en |
| owl:sameAs | https://bitbucket.org/reffa/ontology/id/knobit/data-modelling/03-data-rules/11 |
| rdfs:label | Recognises a uniqueness rule with no unique key behind it en |
| schema:creativeWorkStatus | accepted |
| schema:isPartOf | Data quality management (DAMA-DMBOK2) |
| skos:altLabel | Uniqueness with nothing unique behind it (data rule) en |
| skos:definition | A uniqueness rule marked as enforced, with no primary key or unique constraint covering those columns. en |
| skos:prefLabel | Recognises a uniqueness rule with no unique key behind it en |
| target object | uniqueness rule marked enforced 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 |