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In relational database management systems, a filed or item in a table that contains a value identifying rows in another table. It is used in joining two tables by defining the relationship between two elements of a relational database. A foreign key is the primary key in the other table.

Source Publication:
Handbook on Geographic Information Systems and Digital Mapping, Studies in Methods, Series F, No. 79, United Nations Department of Economic and Social Affairs, Statistics Division, New York, 2000, Annex VI - Glossary.

Statistical Theme: Methodological information (metadata)

Created on Friday, July 26, 2002