Question
What is a composite primary key? An attribute we make up when no primary key is given A primary key that is difficult to understand
What is a "composite" primary key?
| An attribute we make up when no primary key is given | ||
| A primary key that is difficult to understand | ||
| A set of two or more attributes that uniquely identifies an entity instance | ||
| A set of foreign keys |
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Database Fundamentals Study Guide
Authors: Dr. Sergio Pisano
1st Edition
B09K1WW84J, 979-8985115307
