MCQOPTIONS
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				| 1. | 
                                    The predicate in a where clause can involve Boolean operations such as and. The result of true and unknown is false and unknown is while unknown and unknown is | 
                            
| A. | unknown, unknown, false | 
| B. | true, false, unknown | 
| C. | true, unknown, unknown | 
| D. | unknown, false, unknown | 
| Answer» E. | |