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.

Figure 2-25

of community service agencies and volunteers in two different cities (A and

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ER diagrams in Figure 225 a The ERD for City B does not nor does any ERD tell us why thecardinality ... View full answer

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