Foreign Key

n.

Pronunciation

/ˈfɔrən ki/

Definition

A foreign key is a field that exists within one relational data table, but originates as the primary key of a separate data table.

The foreign key is the principle component that establishes relationships between tables in a relational database management system (RDBMS).

Category

Data Modeling

Related Terms

Product Information Encyclopedia

©2020 by Industrial Data Associates, Inc.

4041 N. Milwaukee, Suite 301, Chicago, IL 60641, US

Logo-2CRev-34px-TM.png