Which of the following is NOT a key step in logical database design?
A) Combine normalized data requirements from all user interfaces into one consolidated logical database model.
B) Compare the consolidated logical database design with the translated E-R model and produce, through view integration, one final logical database design for the application.
C) Model how data flow through an information system, the relationships among the data flows, and how data come to be stored at specific locations.
D) Translate the conceptual E-R data model for the application into normalized data requirements.
E) Using normalization principles, develop a logical data model for each known user view for the application.
C
Explanation: C) The data-flow diagrams and E-R data models are created at the systems analysis phase as part of conceptual modeling, not physical design.
CL
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