What unique characteristic(s)distinguish(es)each object from other objects of the same type?
A)Secondary key
B)Primary key
C)Composite key
D)Index

Question

Quizplus · Accepted Answer

Primary key is a unique identifier for each record in a table, distinguishing it from other records. The other options (secondary key, composite key, index) may also help distinguish records, but they are not as fundamental as the primary key.

What Unique Characteristic(s)distinguish(es)each Object from Other Objects of the Same