5. etapp: Loogilise andmemudeli tuletamine
Kompetentsi Andmete modelleerimine knobit · K-565 · Teadmine
Explains derived data and point-in-time snapshots
Mida see tähendab
A derivable value can be computed and need not be stored; a snapshot keeps a value as it stood and is not derived.
Kuidas seda hinnatakse
Classifies sample attributes as derivable, snapshot or base data and says what each derivation reads
Tugineb
- Puudub
Vajalik
- Recognises a stored derivable attributeK-510 · Oskus
- Recognises a redundant relationshipK-526 · Oskus
- Recognises an unmanaged duplicate columnK-601 · Oskus
- Recognises a stored derived or summary valueK-603 · Oskus
- Recognises a hierarchy encoded redundantlyK-608 · Oskus
- Recognises a derived or copied column without a checkK-704 · Oskus