Your hypothetical employer, ABC University, is pleased with feedback you offered on suggestions about potential types of databases and is also please with your suggestions on various Systems Development Life Cycle methodologies.

Now that suggestions on potential types of databases are considered, ABC University wants to now understand more on suggestions you may have designing/planning a model for the payroll database. ABC University has requested information and has asked you to address the following questions and would really like to see a sketched draft of the logical model:

When thinking about various stages of modeling for this payroll database, why is it important to go through three phases of modeling including the conceptual, logical, and physical models. Will the various stages of modeling help the designer, applications programmer, and user communicate more effectively and efficiently?