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.

Question

Quizplus · Accepted Answer

Documentation of changes made to the database structure is necessary for tracking purposes and to understand the reasons for the change. The other options are incorrect because input from users is important for understanding the business needs driving the change (option A), formal policies and procedures are necessary for controlling changes and ensuring they are properly tested (option B), changes can still produce unexpected results even with thorough investigation (option D), and changes may be necessary throughout the system's lifetime due to evolving business requirements (option E).

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