[Home]Mathematical relation

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A mathematical relation over the sets X1, ..., Xn is any subset of X1 × ... × Xn, that is, the Cartesian product of these sets. An important type of mathematical relation is the binary relation.

The notion of mathematical relation is fundamental in the relational model for databases.


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Last edited July 22, 2001 8:44 am by Jan Hidders (diff)
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