5. etapp: Loogilise andmemudeli tuletamine
Kompetentsi Andmete modelleerimine knobit · K-509 · Oskus
Recognises a transitive dependency between non-key attributes
Mida see tähendab
A non-key attribute depends on another non-key attribute rather than on the key.
Kuidas seda hinnatakse
Flags the deficient case and passes the acceptable one. Deficient: Account carries Branch Identifier and Branch Name; the name depends on the identifier, not on the account Acceptable: Branch reference entity; or, if the name must stay as it was when the account was opened, `derivation` saying so (`LOG-018`)
Tugineb
- Explains third normal formK-556 · Teadmine
Vajalik
- Recognises logical entities merged into one tableK-602 · Oskus