Recognises an overwrite where history is required
https://knobit.org/id/knobit/K-622
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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 history strategies and validity-period conventions |
| assessment criterion | Flags the deficient case and passes the acceptable one. Deficient: `account` updated in place, `updated_at` taken as its history; last year's interest-rate report cannot be reproduced Acceptable: A history strategy chosen per table from the `temporal` rules (06-physical.md: effective dating, SCD type 2, history table, bi-temporal) and recorded in the table's `comment` en |
| assessment method | skill-tests task: Loan application physical model on Snowflake (physical design anomaly skills) en |
| conforms to profile | https://oppekava.edu.ee/a/Knobitite_kirjeldamise_ja_seostamise_reeglid#LCG-KNOBIT-0.1 |
| dcterms:identifier | K-622 |
| dcterms:identifier | Q-392 |
| dcterms:license | https://creativecommons.org/licenses/by/4.0/ |
| dcterms:source | Review checklist 04-physical, row 22; S&W 15.2–15.3; DDL 2014 ch. 17 en |
| dcterms:source | Shared-URI copy of data-modelling K-622 (Review checklist 04-physical (data-modelling), row 22; S&W 15.2–15.3; DDL 2014 ch. 17) en |
| expected result | The table and the history strategy it needs en |
| owl:sameAs | https://bitbucket.org/reffa/ontology/id/knobit/data-modelling/06-physical/22 |
| rdfs:label | Recognises an overwrite where history is required en |
| schema:creativeWorkStatus | accepted |
| schema:isPartOf | Data modelling (DAMA-DMBOK2) |
| schema:isPartOf | Data quality management (DAMA-DMBOK2) |
| skos:altLabel | Overwrite where history is required (physical model) en |
| skos:definition | A table updated in place although a data rule or requirement needs past states. Audit columns (`updated_at`, `updated_by`) record only the last change and are not history. en |
| skos:prefLabel | Recognises an overwrite where history is required en |
| target object | table updated in place en |
Used by
| 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 |