Database Concepts (8th Edition)
Database Concepts (8th Edition)
8th Edition
ISBN: 9780134601533
Author: David M. Kroenke, David J. Auer, Scott L. Vandenberg, Robert C. Yoder
Publisher: PEARSON
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Chapter 5, Problem 5.10RQ

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Foreign key:

In DBMS (Database Management System), a foreign key is the group of columns or column in a relational database table that will provides a connection between data in two tables.

  • A foreign key act as a cross-reference between two tables because a foreign key references a primary key of other table, so a foreign key build a connection between the two table.
  • When compare to primary key, an implementation of foreign key is more complex...

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