A ____ is one where multiple keys are needed to identify a tuple uniquely.
A)unique primary key
B)discrete primary key
C)foreign primary key
D)composite primary key

Question

Quizplus · Accepted Answer

A composite primary key is formed by combining two or more columns in a table to create a unique identifier for each record. This is necessary when a single column is not enough to uniquely identify a record.

A ____ Is One Where Multiple Keys Are Needed to Identify