Stage 5: Derive the logical data model
Knobit of Data modelling · K-561 · Knowledge
Explains domain-key normal form
What it means
Every constraint follows from keys and domains.
How it is assessed
Classifies sample constraints as implied by keys and domains or not, and says how each other one is enforced
Builds on
- Explains candidate key and prime attributeK-552 · Knowledge
- Explains attribute domainsK-562 · Knowledge