Which of the following actions should be performed when implementing a change to a database schema in a production system?

Which of the following actions should be performed when implementing a change to a database schema in a production system?
A . Test in development, determine dates, notify users, and implement in production
B . Apply change to production, run in parallel, finalize change in production, and develop a back-out strategy
C . Perform user acceptance testing in production, have users sign off, and finalize change
D . Change in development, perform user acceptance testing, develop a back-out strategy, and implement change

View Answer

Answer: D