alternate key


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alternate key

[′ȯl·tər·nət ‚kē]
(computer science)
A key on a computer keyboard that does not itself generate a character but changes the nature of the character generated by another key when depressed simultaneously with it; similar to the control and shift keys. Abbreviated ALT key.
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References in periodicals archive ?
There is a time and a place for both, and you can always create an alternate key for natural keys if a surrogate is used as the primary key.
ERwin entity and table properties - Physical names assigned to ERwin tables - All primary and alternate key definitions - Properties specific for ERwin client-side extended attributes (such as labels, headers and comments) - All ERwin domains and domain properties (such as data type, data type length and inheritance hierarchy) - All normalized ERwin relationships, including subtype relationships - ERwin referential integrity definitions, such as parent delete and parent update - ERwin inversion entry and index definitions, like name, unique and descending - Client and server validation rule information, including the valid values and values for min and max ERwin client and server default values.
Invitation to Bid: sale of surplus real property: alternate key #3511619
Invitation to Bid: Sale of surplus real property alternate key #3511581

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