You administer a Microsoft SQL Server 2012 database. The database contains a table named
Employee. Part of the Employee table is shown in the exhibit.

Unless stated above, no columns in the Employee table reference other tables. Confidential
information about the employees is stored in a separate table named EmployeeData. One record
exists within EmployeeData for each record in the Employee table. You need to assign the
appropriate constraints and table properties to ensure data integrity and visibility. On which column
in the Employee table should you a create a self-reference foreign key constraint?

A.
DateHired

B.
DepartmentID

C.
EmployeelD

D.
EmployeeNum

E.
FirstName

F.
JobTitle

G.
LastName

H.
MiddleName

I.
ReportsToID