Recognises a check unable to fail
https://knobit.org/id/knobit/Q-309
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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 alethic and deontic modality of rules |
| assessment criterion | Flags the deficient case and passes the acceptable one. Deficient: `DQ-002: IBAN present`, `account_identifier NOT NULL` on Postgres, threshold 100 %, green forever Acceptable: Removed; or, where the constraint is enforced on one target and not another, scoped in its `comment` to the target that needs it. A stored derivation is checked as a stored column (row 4), not as a definition en |
| assessment method | skill-tests task: Loan application data quality rules on Snowflake (DQ rule anomaly skills) en |
| conforms to profile | https://oppekava.edu.ee/a/Knobitite_kirjeldamise_ja_seostamise_reeglid#LCG-KNOBIT-0.1 |
| dcterms:identifier | Q-309 |
| dcterms:license | https://creativecommons.org/licenses/by/4.0/ |
| dcterms:source | Review checklist 03-dq-rules (data-quality), row 9; Witt 2012; DAMA UK 2013; formerly data-modelling K-709 en |
| expected result | The check and its removal or rescoping en |
| owl:sameAs | https://bitbucket.org/reffa/ontology/id/knobit/data-modelling/07-dq-rules/09 |
| rdfs:label | Recognises a check unable to fail en |
| schema:creativeWorkStatus | accepted |
| schema:isPartOf | Data quality management (DAMA-DMBOK2) |
| skos:altLabel | Check that cannot fail (data quality rule) en |
| skos:definition | A check of something the database already guarantees on that target — completeness of a `NOT NULL` column on Postgres, uniqueness of an enforced primary key — or of a definitional rule that no data can break. It always passes, inflates the quality score, and teaches people that DQ results are decoration. en |
| skos:prefLabel | Recognises a check unable to fail en |
| target object | check of something already guaranteed en |
Used by
| includes knobit | Derives data quality rules from the data rules and the physical model |
|---|---|
| includes knobit | Develop and deploy data quality operations: manage data quality rules |
| requires knobit | Derive data quality rules |