Skilirium

5. etapp: Loogilise andmemudeli tuletamine

Kompetentsi Andmete modelleerimine knobit · K-533 · Oskus

Decomposes an entity along a functional dependency without loss

Mida see tähendab

Repairs a normal-form violation by moving the determinant and its dependents into an entity of their own, losslessly and preserving dependencies.

Kuidas seda hinnatakse

The shared attributes are a key of one part, no dependency is left spanning two entities, and the dependent attributes move with their determinant

Vajalik

  • Puudub