"duplicate key" is correct and usable in written English.
It refers to a situation where there are two identical or nearly identical sets of information in a database or system. Example: The database was experiencing issues due to a duplicate key error, causing some records to be inaccessible.
As Mr. Sherpa fished for his duplicate key, he recalled, he felt the first blow.
Katie got a duplicate key cut for Paul's room – and was spied on by the creepy hotel owner (I presume).
Indeed, if any tiny consolation has emerged, Mr. Butcher said, it is that advance planning and lessons from the 1993 bombing prompted officials to decentralize and to duplicate key financial and management records.
As he put it in recent congressional testimony, "I have never met a car owner who did not have at least one duplicate key to his car.
A "do not duplicate" key satisfies an important need and is unique, which limits the competition.
The easiest way to penetrate the lock is to create a "do not duplicate" key that will open the wormhole or portal through which your brand will travel into the brains of your target buyers.
Her lover has hidden the 3 duplicate keys, along with 11 others, in the chapel.
Many of them come simply for for commonplace needs, like duplicate keys.
Fiction: Barn Blind 1980; At Paradise Gate 1981; Duplicate Keys 1984; The Age of Grief 1987; The Greenlanders 1988; Ordinary Love and Good Will 1989; A Thousand Acres 1991; Moo 1995; The All-True Travels and Adventures of Lidie Newton 1998; Horse Heaven 2000; Good Faith 2003.
But the looters that the authorities would most like to see apprehended are those who entered the museum in teams, armed with glass-cutters, duplicate keys and the expertise required to distinguish between fakes and the real thing.Some of the museum's rarest works were targeted: a tall Sumerian masterpiece known as the Warka Vase, and the ivory Lion of Nimrud (pictured above).
Every Mini-Q's key is unique, and every Mini-Q comes with three duplicate keys — one for you, one for a spouse or lawyer perhaps, and one for an undisclosed location.
