5. etapp: Loogilise andmemudeli tuletamine
Kompetentsi Andmete modelleerimine knobit · K-524 · Oskus
Recognises a fan trap
Mida see tähendab
Two one-to-many relationships fan out from the same entity, and a question about how their many sides relate cannot be answered.
Kuidas seda hinnatakse
Flags the deficient case and passes the acceptable one. Deficient: Branch 1:N Account Manager and Branch 1:N Account: which account manager services which account? Acceptable: Branch 1:N Account Manager 1:N Account, so the path carries the fact
Tugineb
- Explains the connection, fan and chasm trapsK-569 · Teadmine
Vajalik
- Puudub