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Which forms have a relation that contains information about a single entity?
4NF
2NF
5NF
3NF
If and only if, for each of its non-trivial multivalued dependencies X \twoheadrightarrow Y, a table is in 4NF. X is a superkey—that is, X is either a candidate key or a superset thereof.
By: santosh ProfileResourcesReport error
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