Assume that a relation R has n tuples and S has m tuples. As per set-theoretic semantics, what will be the maximum number of tuples that R – S can have?
A. n
B. m
C. n + m
D. n * m
Answer:A
Assume that a relation R has n tuples and S has m tuples. As per set-theoretic semantics, what will be the maximum number of tuples that R – S can have?
A. n B. m C. n + m D. n * m