Relation
From Wikinfo
- In mathematics, a relation is a generalization of arithmetic relations such as "=" and "<" which occur in statements such as "5 < 6" or "2+2 = 4". See mathematical relation, binary relation and relational algebra.
- A relational database stores data in relations called tables. Their data manipulation languages provide operations on tables that follow the relational algebra.
References
- Adapted from the Wikipedia article, "Relation" http://en.wikipedia.org/wiki/Relation, used under the GNU Free Documentation License
