====Foreign Key====
In a [[english:glossary:rdbms|RDBMS]], a foreign key is a [[english:glossary:field|field]] from a [[[english:glossary:attributetable|table]] that refers a [[english:glossary:primarykey|primary key]] from another table in order to make  an [[english:glossary:joinattribute|attribute join]]. As it is a constraint, it is represented as an association link between two tables in the [[english:glossary:conceptualdatamodel|Conceptual Data Model]].

[[glossaire:clé étrangère|[Français : Clé étrangère]]]