Question

A _____, which is not unique, is a field or combination of fields that can be used to access or retrieve records.​

Answer 1

A, C, and E.

Step-by-step explanation:

outlining, charting, and mapping

Answer 2

A Secondary Key is a field or combination of fields that can be used to access or retrieve records. Secondary key values are not unique. It is a key that holds the physical location of a record or a portion of a record in a file or database, and furnish an alternative means of accessing data. It is also known as alternate key.