Which of the Following Is True About the Database Development

Multiple Choice

Which of the following is true about the database development process?

A) The easiest time to change the database structure is during the data modeling stage.
B) Changing a relationship from 1:N to N:M in an existing database is simply a matter of changing notations.
C) User review of the data model is avoided as it is not helpful in data modeling.
D) A database is a model of how the developers view their business world.