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

structure?

$44)\_\_\_\_\_\_$

A$)$ Formal policies and procedures for requesting a change are not

used because they are too limiting$.$

B$)$ Documentation of when the change was made, how it was made,

and why it was made must be created.

C$)$ The DBA need not get input from users on the issue because it is a

technical decision.

D$)$ If the database is properly designed, changes should not be

necessary throughout the system's lifetime.

E$)$ Changes do not produce unexpected results because the DBA will

have investigated the change thoroughly before implementing it$.$