A(n)____ is a field or set of fields used to uniquely identify each row.
A)primary key
B)foreign key
C)object identifier
D)attribute

Question

A(n)____ is a field or set of fields used to uniquely identify each row.​
A)primary key
B)​foreign key
C)object identifier
D)​attribute

Quizplus · Accepted Answer

A primary key is a field or set of fields that uniquely identifies each row in a table. This is an essential component of proper table design and ensures data integrity. The other options (foreign key, object identifier, attribute) are not used for this purpose specifically.

A(n)____ Is a Field or Set of Fields Used to Uniquely