You are modeling the relationship of employees and managers in your organization. One possibility is to show a unary or recursive relationship on the EMPLOYEE entity. How would you model the cardinality of the unary relationship to indicate that an employee has one manager and a manager may have many employees? Draw the model to show that an employee must have a manager. Now draw the model to show that a manager must have at least one employee. What happens if a manager has only one employee assigned, and then that employee is reassigned? Draw the relationship with cardinalities to indicate that a manager may have no employees.  Your organization asks you to create a data model for employees participating in projects. One employee can participate in many projects. One project can have many employees assigned. Your stakeholders want to know the role of each employee on a project. Address the following questions in your paper:

Deliver this modeling assignment in a 2- to 3-page paper that includes your models and your responses to the questions provided herein. The CSU-Global Library is a good place to find these sources.

Include a title page and reference page. Make sure your paper follows APA style according to the CSU-Global Guide to Writing and APA Requirements. Cite two to three scholarly articles or pertinent trade journal articles to support your choices of logical models. (You may not use Wikipedia for any CSU-Global assignment.) For this assignment, a credible source is defined as:

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