complete 2 short discussions devry


  • Describe some typical pairs of entities that you think might be common in business, and describe their relationships, whether many-to-many, one-to-many, many-to-one, or one-to-one. Explain why you think that a particular relationship applies to that pair of entities.
  • Why do you think organizing data into tables and relationships is a good way to design a database? How do related tables improve the accuracy of data in a database?


To develop a schedule for a project, we use the concept of a project network diagram, which shows work activities taken from the work breakdown structure and organized according to the logical flow in time and relationships governing when the work will be performed.

Address the following questions.

  • How is that useful?
  • How does it help to organize the tasks in the project?
  • How will it help in formulating the budget?