Based on this E-R diagram, answer the following questions: How

 Based on this E-R diagram, answer the following questions:  

  • How many PROJECTs can an employee work on?
  • What is the degree of the Includes relationship?
  • Are there any associative entities on this diagram? If so, name them.
  • How else could the attribute Skill be modeled?
  • Is it possible to attach any attributes to the Includes relationship?
  • Could TASK be modeled as an associative entity?
  • Employees earnings are calculated based on a different hourly pay  rate for each project. Where on the E-R diagram would you represent the  new attribute Hourly pay rate?

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