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The human resources department requested an employee report to high light those employees who are due for 30 days 6 months and 1 year evaluation. The higher_data field should display blue text for 30 days employee, a red text for 6 months employees and a green text for one year employees. You created a format trigger on the higher_data field to handle this task. What will happen if the format trigger returns a false value? （）
A:The report execution will be halted. 
B:The higher_data file will not be displayed. 
C:The record will not be displayed. 
D:Nothing will happen.

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出自：Oracle认证

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