cardinality
Definition from Wiktionary, the free dictionary
Contents |
English [edit]
Etymology [edit]
Noun [edit]
cardinality (plural cardinalities)
- (set theory) Of a set, the number of elements it contains.
- The empty set has a cardinality of zero.
- (data modeling) The property of a relationship between a database table and another one, specifying whether it is one-to-one, one-to-many, many-to-one, or many-to-many.
Synonyms [edit]
- (in set theory): power
Related terms [edit]
Translations [edit]
in set theory
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