1.

What is the function of a right outer join?

A. tIt preserves tuples only in the relation named before the operation
B. tIt preserves tuples only in the relation named after the operation
C. tIt preserved tuples in the relations named on both the sides of the operation
D. tIt does not preserve any tuples on either side of the relation
Answer» C. tIt preserved tuples in the relations named on both the sides of the operation


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