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key field

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key field

In computing, a selected field, or portion, of a record that is used to uniquely identify that record; in a file of records it is the field used as the basis for sorting the file. For example, in a file containing details of a bank's customers, the customer account number would probably be used as the key field since no two customers have the same number.



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? Mentioned in ? References in periodicals archive
 
Jawbreaker; the attack on Bin Laden and Al-Qaeda: a personal account by the CIA's key field commander.
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