You use Microsoft SQL Server 2012 to develop a databa

se application. You need to implement a computed column that references a lookup table by using an INNER JOIN against another table.

What should you do?

A. Reference a user-defined function within the computed column.

B. Create a BEFORE trigger that main

tains the state of the computed column.

C. Add a default constraint to the computed column that implements hard-coded values.

D. Add a default constraint to the computed column that implements hard-coded CASE statements.