primary key
The field (column) in a database table that is indexed and maintains the main sequence of the table. For example, account numbers are typically primary keys. A "composite primary key" is made up of two or more fields (columns) such as region + account number.
Computer Desktop Encyclopedia THIS DEFINITION IS FOR PERSONAL USE ONLY
All other reproduction is strictly prohibited without permission from the publisher.
Copyright © 1981-2009 by Computer Language Company Inc. All rights reserved.
Share on Facebook