duplicate keys

duplicate keys

Identical key data in a file. Primary keys, such as account number cannot be duplicated, since no two customers or employees should be assigned the same number. Secondary keys, such as date, product and city, may be duplicated in the file or database.
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References in classic literature ?
A man like Larsan, or Ballmeyer, could have had made duplicate keys.
And so the Ship of Fools sailed on, all aft fooling and befouling, from the guileless-eyed, gentle-souled Finnish mate, who, with the scent of treasure pungent in his nostrils, with a duplicate key stole the ship's daily position from Captain Doane's locked desk, to Ah Moy, the cook, who kept Kwaque at a distance and never whispered warning to the others of the risk they ran from continual contact with the carrier of the terrible disease.
I have got a duplicate key -- I always insist on a duplicate key of the place where she keeps her account books.
In vain the doors of the upper entry had been locked; the ghost either carried a duplicate key in its pocket, or availed itself of a ghost's immemorial privilege of coming through the keyhole, and promenaded as before, with a freedom that was alarming.
The police imagine, I take it, that this Fitzroy Simpson, having drugged the lad, and having in some way obtained a duplicate key, opened the stable door and took out the horse, with the intention, apparently, of kidnapping him altogether.
You are to leave the keys on coming away in the main hall of the house, where the proprietor may get them on his entering the house by means of his duplicate key.
Tenders are invited for Providing Duplicate Keys Etc And Miscellaneous Work in connection with A R And M O Durable And Non Durable Furniture At Parliament Library Building During 2015 16
It is said Ravi's wife came early and waited for her father before opening the door to the apartment, using duplicate keys.
Using duplicate keys provided by accomplices working in the targeted commercial outlets was the most common method employed.
The accused had made preparations in advance for committing murder because he already had the duplicate keys and knife when he entered the flat with the intention to ravish her.
When contacted, Medical Superintendent Dr Ziaullah told that theft was planned as the accused got duplicate keys of store and completed their criminal activity.