During requirements analysis, what order of model development is used to arrive at the logical data model?
A) context data model; fully attributed data model; key-based data model; normalized data model
B) normalized data model; context data model; fully attributed data model; key-based data model
C) normalized data model; key-based data model; fully attributed data model; context data model
D) context data model; key-based data model; fully attributed data model; normalized data model
E) none of these

Question

Quizplus · Accepted Answer

The correct order is to start with a context data model to understand the scope, then develop a key-based data model to identify primary keys, followed by a fully attributed data model to add attributes, and finally normalize the data model to eliminate redundancy.

During Requirements Analysis, What Order of Model Development Is Used