Review the E-R diagram in Figure 5.13 (pg. 184) and:
a. List the resources, events, and agents that are represented as entities in this diagram.
b. Write a description for each of the six relationships in the diagram. In your description, include the cardinalities. For example, you might describe the relationship between VENDORS and PURCHASE
ORDERS as: “Purchase orders are sent to vendors. A vendor may receive many (N) orders, but each purchase order is for only one (1) vendor.”
c. Redraw Figure 5.13 using Microsoft Visio (or other software).
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