 
			 
			MCQOPTIONS
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				| 1. | To_specify_the_foreign_keys_in_relations_referencing_temporal_data_we_need_to_specify________$ | 
| A. | The time interval | 
| B. | The Boolean value for the working | 
| C. | The integer corresponding to the relation number | 
| D. | None of the mentioned | 
| Answer» B. The Boolean value for the working | |