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Superkey
Noun
Word Frequency:
0.0
Definitions
1.
Noun
Any set of attributes of a relation variable (relvar) that serve to identify a single tuple or row, no other tuple having the same value for every attribute in the set.
Synonyms
natural key
composite key
compound key
tuple
subvariable
relation
keyspace
partial dependency
clustering key
multikey
trivial functional dependency
subkey
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