Database Systems: Design, Implementation, Management, Loose-leaf Version
Database Systems: Design, Implementation, Management, Loose-leaf Version
12th Edition
ISBN: 9781305866799
Author: Coronel, Carlos; Morris, Steven
Publisher: Course Technology
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Chapter 5, Problem 12RQ
Program Plan Intro

Composite primary key:

  • In the table more than one column is used to specify the primary key is called as composite primary key or composite key.
  • In this case, all foreign keys should also require including all the columns.
  • Composite primary key contains different datatypes.

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