Which of the Following Is True About Making Changes to the Database

Multiple Choice

Which of the following is true about making changes to the database structure?

A) The DBA need not get input from users on the issue because it is a technical decision.
B) Formal policies and procedures for requesting a change are not used because they are too limiting.
C) Documentation of when the change was made,how it was made,and why it was made must be created.
D) Changes do not produce unexpected results because the DBA will have investigated the change thoroughly before implementing it.
E) If the database is properly designed,changes should not be necessary throughout the system's lifetime.