Database Principles
25440/01 Fall 2001
Class 26: Dec. 4, 2001

Next design step, due Thursday, Dec. 6.
The term module is defined on page 304 of your text.
The term central entity is defined on on pge 305 of your text.
Identify the central entity module, and one additional module of your model.
For each of the two modules, identify that module's process (transaction) requirements: inserts, updates, deletes, queries, and reports.
Be sure to mention explicitly any changes you make to the material that you have already submitted.