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Allisa [31]
3 years ago
6

Define the term unique key and give an example.

Computers and Technology
1 answer:
Anton [14]3 years ago
5 0

Answer: Unique is used for the prevention of any field or column to have same or identical values in a particular table.It however, does let the null value top enter the table even though stops entry of duplicate values.

Example- In any particular record of shop, the shopkeeper avoids to have a product that is of the same price as to maintain the clarity of the table .

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