# Relation

From Bvio.com

- 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 relation (mathematics), 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.