______ operation preserves those tuples that would be lost in____

1.	______ operation preserves those tuples that would be lost in____
A.	Natural join, outer join
B.	Outer join, natural join
C.	Left outer join, right outer join
D.	Left outer join, natural join
Answer» C. Left outer join, right outer join

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______ operation preserves those tuples that would be lost in____

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__ operation preserves those tuples that would be lost in