Question: Which is an example of a request based on logical (instead of physical ) characteristics of data? a) Delete all employees with the last name

Which is an example of a request based on logical (instead of physical) characteristics of data?

a) Delete all employees with the last name of Smith.

b) Delete the employee who appears at position 12345 in the server memory.

c) Delete the employee who appears first in the file RGHGYZ.DAT

d) None of the above all of these requests are based on physical characteristics.

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