Question: For the same E-R diagram used in Field Exercise 4 or for a different database in the same or a different organization, identify any uses

For the same E-R diagram used in Field Exercise 4 or for a different database in the same or a different organization, identify any uses of time stamping or other means to model time- dependent data. Why are time-dependent data necessary for those who use this database? Would the E-R diagram be much simpler if it were not necessary to represent the history of attribute values?

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