5. etapp: Loogilise andmemudeli tuletamine
Kompetentsi Andmete modelleerimine knobit · K-554 · Teadmine
Explains first normal form
Mida see tähendab
Every attribute holds one atomic value and no property repeats.
Kuidas seda hinnatakse
Classifies sample entities as in or not in 1NF and names the violation
Tugineb
- Puudub
Vajalik
- Recognises a repeating group in an entityK-504 · Oskus
- Recognises an attribute holding several factsK-505 · Oskus
- Replaces a repeating group with a dependent entityK-535 · Oskus