DATABASE CONCEPTS+MYITLAB
DATABASE CONCEPTS+MYITLAB
18th Edition
ISBN: 9780134821245
Author: KROENKE
Publisher: PEARSON C
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Chapter 2, Problem 2.11RQ

Explanation of Solution

Non-Unique key:

A non-unique key is the key which identifies more than one fields identified from the database key.

  • It produces the duplicate entries on the database table.

Example:

Let us consider a “student ...

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