You need to ensure that the Cust_CalcData column is implemented appropriately. What should you do?()
A、A.Specify that the Cust_CalcData column must be implemented as a computed column of the table.
B、B.Specify that the Cust_CalcData column must be indexed using a non-clustered index.
C、C.Specify that the Cust_CalcData column must be implemented as a column that uses a user-defined data type.
D、D.Specify that the Cust_CalcData column must be updated by a SQL Server Agent job that runs nightly.