1.

Suppose relation R(A,B) currently has tuples {(1,2), (1,3), (3,4)} and relation S(B,C) currently has {(2,5), (4,6), (7,8)}. Then the number of tuples in the result of the SQL query:SELECT * FROM R NATURAL OUTER JOIN S;

A. 2
B. 4
C. 6
D. None of the mentioned
Answer» B. 4


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