-In the accompanying figure,any field that serves as a primary key is called a _____.
A) candidate key
B) secondary key
C) combination key
D) foreign key

Name: -In the accompanying figure,any field that serves as a primary key is called a _____. A) candidate key B) secondary key C) combination key D) foreign key
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Question

-In the accompanying figure,any field that serves as a primary key is called a _____.
A) candidate key 
B) secondary key 
C) combination key 
D) foreign key

Quizplus · Accepted Answer

A candidate key is any field or combination of fields that can qualify as a primary key in a database. It is a minimal set of attributes that can uniquely identify a tuple in a relation.

-In the Accompanying Figure,any Field That Serves as a Primary