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Discovering Computers, Introductory: Your Interactive Guide to the Digital World 1st Edition by Misty Vermaat
Edition 1ISBN: 978-1133593461Discovering Computers, Introductory: Your Interactive Guide to the Digital World 1st Edition by Misty Vermaat
Edition 1ISBN: 978-1133593461 Exercise 27
In some tables, the primary key consists of multiple fields, called a _____. (519)
A) composite key
B) secondary key
C) key field
D) column
A) composite key
B) secondary key
C) key field
D) column
Explanation
Verified
Verified
Primary key is a field used to identify ...
Discovering Computers, Introductory: Your Interactive Guide to the Digital World 1st Edition by Misty Vermaat
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