Question: Consider the two E-R diagrams in Figure 2-25, which represent a database of community service agencies and volunteers in two different cities (A and B).

Consider the two E-R diagrams in Figure 2-25, which represent a database of community service agencies and volunteers in two different cities (A and B). For each of the following three questions, place a check mark under City A, City B, or Can’t Tell for the choice that is the best answer.

City A City B Can’t Tell

a. Which city maintains data about only those volunteers who currently assist agencies?

b. In which city would it be possible for a volunteer to assist more than one agency?

c. In which city would it be possible for a volunteer to change which agency or agencies he or she assists?

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