**Cardinality** — In mathematics, the cardinality of a set is a measure of the number of elements of the set . For example, the set A = {1, 2, 3} contains 3 elements, and therefore A has a cardinality of 3. There are two approaches to cardinality ndash; one which… … Wikipedia

**cardinality** — noun a) Of a set, the number of elements it contains. The empty set has a cardinality of zero. b) 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… … Wiktionary

**cardinality** — The cardinality of a set is the cardinal number that measures the number of its members … Philosophy dictionary

**cardinality** — noun (plural ties) Etymology: 1cardinal + ity Date: 1935 the number of elements in a given mathematical set … New Collegiate Dictionary

**cardinality** — /kahr dn al i tee/, n., pl. cardinalities. Math. (of a set) the cardinal number indicating the number of elements in the set. [1930 35; CARDINAL + ITY] * * * … Universalium

**cardinality** — noun (plural cardinalities) Mathematics the number of elements in a particular set or other grouping … English new terms dictionary

**cardinality** — car·di·nal·i·ty … English syllables

**cardinality** — noun (mathematics) the number of elements in a set or group (considered as a property of that grouping) • Topics: ↑mathematics, ↑math, ↑maths • Hypernyms: ↑number … Useful english dictionary

**Cardinality (disambiguation)** — Cardinality may refer to* Cardinality of a set, a measure of the number of elements of a set in mathematics * Cardinality (data modeling), a term in database design * Cardinality (SQL statements), a term used in SQL statements * Cardinal utility … Wikipedia

**Cardinality (SQL statements)** — In SQL (Structured Query Language), the term cardinality refers to the uniqueness of data values contained in a particular column (attribute) of a database table. The lower the cardinality, the more duplicated elements in a column. Thus, a column … Wikipedia