Question: Explain the rationale for each of the entries in the table in Figure 6-42. TRANS Action on WORK Action on TRANS Is Required (Parent) (Child)

Explain the rationale for each of the entries in the table in Figure 6-42.

TRANS Action on WORK Action on TRANS Is Required (Parent) (Child) Parent Will be created by INSERT trigger on WORK. Inse

TRANS Action on WORK Action on TRANS Is Required (Parent) (Child) Parent Will be created by INSERT trigger on WORK. Insert INSERT trigger on WORK to create row in TRANS. TRANS will be given data for DateAcquired and AcquisitionPrice. Other columns will be null. Prohibit-surrogate key. Modify key or foreign key Prohibit-TRANS must always refer to the WORK associated with it. Delete Prohibit-data related to a Prohibit-data related to a transaction is never deleted transaction is never deleted (business rule). (business rule).

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