Relation
Relation
Shit
<catset>Category="Data modeling"</catset><ul><li>In <b><a href="Mathematics">Mathematics</a></b>, a <b>relation</b> is a generalization of arithmetic relations, such as "=" and "&lt;", which occur in statements, such as "5 &lt; 6" or "2 + 2 = 4". See <a href="Relation (mathematics)">Relation (mathematics)</a>, <a href="Binary relation">Binary relation</a> (of set theory and logic) and <a href="Relational algebra">Relational algebra</a>. </ul><ul><li>In <b><a href="Relational model">relational modeling</a></b>, a <b>relation</b> is a set of <a href="Tuple">tuples</a>, otherwise known as a <a href="Table (database)">table</a>. </ul><ul><li> In <a href="First-order logic">logic</a> and <a href="Philosophy">Philosophy</a>, a <b>relation</b> is a two-argument <a href="Property (philosophy)">property</a> or <a href="Predicate">Predicate</a>. </ul>