Stage 3: Document data rules as SBVR fact types and rule statements
Knobit of Data modelling · K-303 · Skill
Recognises redundant data rules
What it means
Two rules of the same classification and subtype on the same fact type, differing only in wording. Either duplicates, or they differ by a condition nobody recorded.
How it is assessed
Flags the deficient case and passes the acceptable one. Deficient: `BR-3: each payment must specify an account`; `BR-7: a payment must always identify its account` Acceptable: One rule, one id, cited by both requirements (`ANO-002`)
Builds on
- Explains logical relations between rulesK-353 · Knowledge
Needed by
- None