Chelsana Washington Is a Medical Equipment Sales Representative

Multiple Choice

Chelsana Washington is a medical equipment sales representative.Her company has provided her with a laptop computer that uses wireless connectivity to access the accounting information system from virtually anywhere in the country.She,and the other sales reps,have read access to customer and product information.They have write access that allows them to enter and cancel customer orders.These permissions define a(an) ______ in the company's database management system.

A) conceptual-level schema
B) external-level schema
C) data dictionary
D) internal-level schema