Knobit of Data modelling · K-504 · Skill

Recognises a repeating group in an entity

What it means

Numbered or listed attributes for the same property, or one attribute holding a list. The fourth instance has nowhere to go and every query needs one predicate per copy.

How it is assessed

Flags the deficient case and passes the acceptable one. Deficient: Account with Holder 1 Party Identifier, Holder 2 Party Identifier, Holder 3 Party Identifier Acceptable: Account Holder (Account, Party, holder role, start date) (`LOG-017`)

Builds on

Explains first normal formK-554 · Knowledge

Needed by

None