DKNF
Some authors use the term sixth normal form differently, namely, as a synonym for Domain/key normal form (DKNF). This usage predates Date et al.'s work.
Read more about this topic: Sixth Normal Form
DKNF
Some authors use the term sixth normal form differently, namely, as a synonym for Domain/key normal form (DKNF). This usage predates Date et al.'s work.
Read more about this topic: Sixth Normal Form