Stage 7: Derive data quality rules
Knobit of Data modelling · K-719 · Skill
Recognises duplicate checks for one rule
What it means
Two DQ rules implementing the same data rule on the same columns with different expressions, thresholds or severities, or two rules with the same expression. The report counts the defect twice, and the two results contradict each other.
How it is assessed
Flags the deficient case and passes the acceptable one. Deficient: `DQ-006` at 100 %, `error`, and `DQ-019` at 95 %, `warning`, both citing `BR-003` on `loan_maturity_date`; one is red while the other is green Acceptable: One check per rule per population; a second only for a different population or target, saying so in its `name` (`DQR-008`)
Builds on
- Explains traceability from data rule to checkK-752 · Knowledge
Needed by
- None