compound key

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compound key

(database)
(Or "multi-part key", "concatenated key") A key which consists of more than one attribute of the body of information (e.g. database "record") it identifies.
References in periodicals archive ?
This type of table is called a composite table, and the primary key is called a composite key because it's made up of two fields that, together, make a primary key (unique identifier) and, separately, make foreign keys to the bridged tables.
By aggregating a core set of composite key performance indicators VistaInsight for Servers provides enterprises with comprehensive performance views.
A single composite key segment cannot exceed 255 bytes.

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