Elements of a Foreign Key

   
  • It has the same name as the primary key from which it was copied .

  • It uses a replica of the field specifications for the primary key from which it was copied.

  • It draws its values from the primary key to which it refers.


   
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Database Design for Mere Mortals[c] A Hands-On Guide to Relational Database Design
Database Design for Mere Mortals: A Hands-On Guide to Relational Database Design
ISBN: 0201694719
EAN: 2147483647
Year: 2002
Pages: 203

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