Recognises an update anomaly in a logical data model
https://knobit.org/id/knobit/K-502
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| Context functions | Result evaluation |
|---|---|
| Knobit creation methods | AI generated, AI edited |
| 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 the insertion, update and deletion anomalies |
| assessment criterion | Flags the deficient case and passes the acceptable one. Deficient: Account holder address held on every Account; the customer moves and three of their five accounts are updated Acceptable: Address held once on Party; Account reaches it through Account Holder 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-502 |
| dcterms:identifier | Q-387 |
| dcterms:license | https://creativecommons.org/licenses/by/4.0/ |
| dcterms:source | Review checklist 03-logical, row 2; Codd 1971; E&N 14.1.2; C&B en |
| dcterms:source | Shared-URI copy of data-modelling K-502 (Review checklist 03-logical (data-modelling), row 2; Codd 1971; E&N 14.1.2; C&B) en |
| expected result | The fact stored more than once and the rows a change would have to reach en |
| owl:sameAs | https://bitbucket.org/reffa/ontology/id/knobit/data-modelling/05-logical/02 |
| rdfs:label | Recognises an update anomaly in a logical data model en |
| schema:creativeWorkStatus | accepted |
| schema:isPartOf | Data modelling (DAMA-DMBOK2) |
| schema:isPartOf | Data quality management (DAMA-DMBOK2) |
| skos:altLabel | Update anomaly (logical model) en |
| skos:definition | One fact is stored in several rows, so a change must be repeated and a partial change leaves the data contradicting itself. en |
| skos:prefLabel | Recognises an update anomaly in a logical data model en |
| target object | update anomaly in a logical data model en |
Used by
| depends on knobit | Recognises an unmanaged duplicate column |
|---|---|
| includes knobit | Derives a normalised logical data model and traces anomalies to their causes |
| includes knobit | Derives data quality rules from the data rules and the physical model |
| requires knobit | Derive the logical data model |
| requires knobit | Derive data quality rules |