5. etapp: Loogilise andmemudeli tuletamine
Kompetentsi Andmete modelleerimine knobit · K-558 · Teadmine
Explains multivalued dependency and fourth normal form
Mida see tähendab
Independent multi-valued facts of one thing belong in separate entities.
Kuidas seda hinnatakse
Classifies sample entities as in or not in 4NF and names the independent multivalued dependencies
Tugineb
- Explains Boyce-Codd normal formK-557 · Teadmine
Vajalik
- Recognises independent multi-valued facts in one entityK-512 · Oskus
- Explains join dependency and fifth normal formK-559 · Teadmine