Could tool be modeled as an associative entity why or why, Electrical Engineering

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Could tool be modeled as an associative entity why or why

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 attributes might be attached to the Works_on relationship?

f. Could TOOL be modeled as an associative entity? Why or why not?

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Electrical Engineering: Could tool be modeled as an associative entity why or why

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Electrical Engineering: Could tool be modeled as an associative entity why or why

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