Stage 4: Build the conceptual model and taxonomies
Knobit of Data modelling · K-411 · Skill
Recognises a link failing the all-and-some test
What it means
The child is not a kind of the parent always and in every context. "Every child is a parent" is only sometimes true.
How it is assessed
Flags the deficient case and passes the acceptable one. Deficient: Party → Person → Customer (a company can also be a customer, and a person is not always one) Acceptable: Party Role → Customer, Supplier; Party plays a Party Role
Builds on
- Explains hierarchical relations and the all-and-some testK-451 · Knowledge
Needed by
- None