A ( ) is a set of attributes in a referencing relation, such that for each tuple in the referencing relation, the values of the foreign key attributes are guaranteed to occur as the primary key value of a tuple in the referenced relation.
A.
superkey
B.
candidate key
C.
primary key
D.
foreign key
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【简答题】TAF is one of the leading _____(manufacture) of skincare and haircare products.