Recognises a changeable value list fixed in the DDL
https://knobit.org/id/knobit/K-616
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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 value sets held as reference data |
| assessment criterion | Flags the deficient case and passes the acceptable one. Deficient: `CHECK (account_status_code IN ('OPN','DOR','CLS'))`; the bank adds `BLK` for blocked accounts and rows are rejected until a release Acceptable: `ref_account_status` with code, label and validity dates, and a foreign key to it; `CHECK` lists only for value sets fixed by definition (an alethic rule, such as Y/N) 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-616 |
| dcterms:license | https://creativecommons.org/licenses/by/4.0/ |
| dcterms:source | Review checklist 04-physical, row 16; Karwin, 31 Flavors; Fagin 1981 en |
| expected result | The list and the reference table to hold it en |
| owl:sameAs | https://bitbucket.org/reffa/ontology/id/knobit/data-modelling/06-physical/16 |
| rdfs:label | Recognises a changeable value list fixed in the DDL en |
| schema:creativeWorkStatus | accepted |
| schema:isPartOf | Data modelling (DAMA-DMBOK2) |
| skos:altLabel | Value list fixed in the DDL (physical model) en |
| skos:definition | A value set implemented as `CHECK (... IN (...))` or an enum type although the business changes it. Adding a value needs a migration, a retired value cannot be forbidden for new rows while kept for old ones, and the labels live nowhere. A specific form of row 17: the domain is held in the schema rather than as data. en |
| skos:prefLabel | Recognises a changeable value list fixed in the DDL en |
| target object | CHECK or enum value list en |
Used by
| includes knobit | Designs a physical data model for the target platform without introducing anomalies |
|---|---|
| requires knobit | Design the physical data model |