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Guidelines for identifying attributes include: a. every entity and relationship will need a unique identifier b....

Guidelines for identifying attributes include:

a. every entity and relationship will need a unique identifier

b. events will need dates, and possibly times

c. for each event, attributes showing the related resources, agents, and locations

d. all the above

e. both a. and c.

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d. All of the above

Which means every entity and relationship will need a unique identifier

Events will need date and possibly time

For each event attributes showing the related resources ,agents and locations

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