Cartesian product

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English[edit]

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Noun[edit]

Cartesian product (plural Cartesian products)

  1. (set theory) The set of all possible pairs of elements whose components are members of two sets. Notation: X \times Y = \{(x,y)\|x\in X \land y\in Y\}.
  2. (databases) All possible combinations of rows between all of the tables listed.

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