Stage 5: Derive the logical data model
Knobit of Data modelling · K-558 · Knowledge
Explains multivalued dependency and fourth normal form
What it means
Independent multi-valued facts of one thing belong in separate entities.
How it is assessed
Classifies sample entities as in or not in 4NF and names the independent multivalued dependencies
Builds on
- Explains Boyce-Codd normal formK-557 · Knowledge
Needed by
- Recognises independent multi-valued facts in one entityK-512 · Skill
- Explains join dependency and fifth normal formK-559 · Knowledge