superkey

[US]/ˈsuːpəki/
[UK]/ˈsuːpərki/

Translation

n.(computing) In database theory, a superkey is a set of one or more attributes that can uniquely identify each tuple in a relation.
Word Forms
Pluralsuperkeys

Example Sentences

a candidate key is a minimal superkey.

any superkey can uniquely identify a row in the table.

the primary key is selected from the available superkeys.

a superkey functions as a unique identifier for tuples.

understanding the concept of a superkey is vital for normalization.

the composite key acts as a superkey for this entity.

we must identify a valid superkey before defining the primary key.

adding an extra attribute to a candidate key creates a superkey.

this specific set of attributes forms a superkey.

database designers analyze potential superkeys to ensure data integrity.

a superkey does not necessarily have to be minimal.

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