Explains history strategies and validity-period conventions
https://knobit.org/id/knobit/K-658
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| 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 | Chooses a history strategy for sample needs and checks sample periods for overlap and gaps en |
| assessment method | Written question with sample physical tables en |
| conforms to profile | https://oppekava.edu.ee/a/Knobitite_kirjeldamise_ja_seostamise_reeglid#LCG-KNOBIT-0.1 |
| dcterms:identifier | K-658 |
| dcterms:identifier | Q-389 |
| dcterms:license | https://creativecommons.org/licenses/by/4.0/ |
| dcterms:source | Data-management practice used by the stage 6 reference and review checklist en |
| dcterms:source | Shared-URI copy of data-modelling K-658 (Data-management practice used by the stage 6 reference and review checklist) en |
| depends on knobit | Explains current value, history and point-in-time reproducibility |
| expected result | Effective dating, SCD type 2, history tables and bi-temporal designs, with half-open validity periods en |
| owl:sameAs | https://bitbucket.org/reffa/ontology/id/knobit/data-modelling/06-physical/K-658 |
| rdfs:label | Explains history strategies and validity-period conventions en |
| schema:creativeWorkStatus | accepted |
| schema:isPartOf | Data modelling (DAMA-DMBOK2) |
| schema:isPartOf | Data quality management (DAMA-DMBOK2) |
| skos:definition | Effective dating, SCD type 2, history tables and bi-temporal designs, with half-open validity periods. en |
| skos:prefLabel | Explains history strategies and validity-period conventions en |
| target object | history strategy en |
Used by
| applies knowledge | Recognises an overwrite where history is required |
|---|---|
| applies knowledge | Recognises inconsistent validity periods in a versioned table |
| applies knowledge | Recognises a reference to a versioned table by business key alone |
| applies knowledge | Recognises history kept without its constraints checked |
| applies knowledge | Recognises a past event judged against present data |
| includes knobit | Designs a physical data model for the target platform without introducing anomalies |
| includes knobit | Derives data quality rules from the data rules and the physical model |
| requires knobit | Design the physical data model |
| requires knobit | Derive data quality rules |