FOREIGNKEY

Foreign key

In the context of relational databases, a foreign key is a field in one table that uniquely identifies a row of another table. In other words, a foreign key is a column or a combination of columns that is used to establish and enforce a link between two tables.

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foreign key

Noun

  1. A field in a relational database record that points to a key field in another table


The above text is a snippet from Wiktionary: foreign key
and as such is available under the Creative Commons Attribution/Share-Alike License.

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