March 2003
Beginner
672 pages
14h
English
book
Database Design for Mere Mortals™: A Hands-On Guide to Relational Database Design, Second Edition
by Michael J. Hernandez
Content preview from Database Design for Mere Mortals™: A Hands-On Guide to Relational Database Design, Second Edition
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Elements of a Foreign Key
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It has the same name as the primary key from which it was copied.
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It uses a replica of the field specifications for the primary key from which it was copied.
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It draws its values from the primary key to which it refers.