Andrew,an analyst for PaxMedia Inc. ,has just learned that the business rules for a system he has been working on have changed.This means that _____.
A)Nothing - once the ERD data models have been drawn,they are 'frozen' for the system
B)Andrew will be reassigned to a different project that is in its beginning stages
C)The ERD components will have to be changed
D)The ERD data model will have to be put on hold while new DFD diagrams are created
E)The project will have to be scrapped and restarted

Question

Quizplus · Accepted Answer

If the business rules for a system change, it is likely that the entity relationship diagram (ERD) components will also need to be changed to reflect the new rules. ERD data models are not "frozen" and can be modified as needed. It is unlikely that Andrew would be reassigned to a different project or that the project would need to be scrapped and restarted. It is also not necessary to put the ERD data model on hold while creating new data flow diagram (DFD) diagrams, as these are separate components of system design.

Andrew,an Analyst for PaxMedia Inc