Question

16) Which constraint uniquely identifies each record in a database table?
ОА) Key
Bi Doma
O ceterentes integrity​

Answer 1

Answer:

The UNIQUE constraint uniquely identifies each record in a database table. The UNIQUE and PRIMARY KEY constraints both provide a guarantee for uniqueness for a column or set of columns. A PRIMARY KEY constraint automatically has a UNIQUE constraint defined on it.

Explanation:

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