Question: The STAFF relation of a medical facility is shown below. Does it make sense to choose the attribute Last-Name as the primary key of this

The STAFF relation of a medical facility is shown below. Does it make sense to choose the attribute Last-Name as the primary key of this relation?
Last-Name Kyger Dillard Shafiroff Sutton First-Name Renton Wendy Suzanne Jean Carson Anna-Christie Medical

Last-Name Kyger Dillard Shafiroff Sutton First-Name Renton Wendy Suzanne Jean Carson Anna-Christie Medical Assistant X-Ray Tech Receptionist Melissa Title Hayley X-Ray Tech X-Ray Tech Secretary Salary 28000 28000 16000 23000 28000 14000 Department Radiology Radiology General Office General Medicine Radiology General Office

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