Wide Column Flashcards

1
Q

Was ist die Definition der Partitioned Normal Form (PNF)?

A

Durch Nesting konstruierbar
<=>
Nichtgeschachtelte Attribute bestimmen geschachtelte
Genauso in geschachtelten Attributen

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2
Q

Was ist die Definition von NF^2?

A

R = (A_1, …, R_1, …)
dom(R) = dom(A_1) x … x 2 ^ dom(R_1) x …

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