1. 
   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 with the lowest possible car...
   Found op http://en.wikipedia.org/wiki/Cardinality_(SQL_statements)
   
   
2. 
   cardinality
   (mathematics) The number of elements in a set. If two sets have the same number of elements (i.e. there is a bijection between them) then they have the same cardinality. A cardinality is thus an isomorphism class in the category of sets. aleph 0 is defined as the cardinality of the first infinite ...
   Found op http://foldoc.org/cardinality
   
   
3. 
   Cardinality
   [data modeling] In data modeling, the cardinality of one data table with respect to another data table is a critical aspect of database design. Relationships between data tables define cardinality when explaining how each table links to another. In the relational model, tables can be related...
   Found op http://en.wikipedia.org/wiki/Cardinality_(data_modeling)
   
   
4. 
   cardinality
   noun (mathematics) the number of elements in a set or group (considered as a property of that grouping)
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=cardinality
   
   
5. 
   cardinality
   cardinality A reference to a set, the cardinal number indicating the number of elements in the set.
   Found op http://www.wordinfo.info/words/index/info/view_unit/379/
   
   
6. 
   Cardinality
   In mathematics, the cardinality of a set is a measure of the "number of elements of the set". For example, the set A = {2, 4, 6} contains 3 elements, and therefore A has a cardinality of 3. There are two approaches to cardinality – one which compares sets directly using bijections and injections,...
   Found op http://en.wikipedia.org/wiki/Cardinality
   
   

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