cardinality

Definition from Wiktionary, the free dictionary
Jump to: navigation, search

English[edit]

Wikipedia has an article on:

Wikipedia

Etymology[edit]

cardinal +‎ -ity

Noun[edit]

cardinality (plural cardinalities)

  1. (set theory) Of a set, the number of elements it contains.
    The empty set has a cardinality of zero.
  2. (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]

Related terms[edit]

Translations[edit]

See also[edit]