Sometimes your data will have a unique identifier that is already a part of your data.When that is true,you can use the field as a ________ key.
A)foreign
B)natural primary
C)composite
D)primary

Question

Quizplus · Accepted Answer

If the data already has a unique identifier that can be used as a primary key, it is known as a natural primary key. Using a natural primary key can simplify the database design process and can improve performance. Foreign keys are used to establish relationships between tables, composite keys involve using multiple fields as the primary key, and primary keys must be unique and cannot already be a part of the data.

Sometimes Your Data Will Have a Unique Identifier That Is