Problems and exercises (chapter 7) – essentials of systems analysis
All Diagrams are in the attachment 5. Consider the E-R diagram in Figure 7-20. Based on this E-R diagram, answer the following questions: a. How many EMPLOYEES can work on a project? b. What is the degree of the Used_on relationship? c. Do any associative entities appear in this diagram? If so, name them. d. How else could the attribute Skill be modeled? e. What […]