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secondary key

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secondary key [′sek·ən‚der·ē ′kē]
(computer science)
A key that holds the physical location of a record or a portion of a record in a file or database, and provides an alternative means of accessing data. Also known as alternate key.
(database)secondary key - A candidate key which is not selected as a primary key.


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Whenever a play goes away, our linebackers are taught to pick up a secondary key.
Multiple 4-3 linebacker gap responsibility. (Football) by Ratledge, Kenny / Coach and Athletic Director
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