Consider the join of relation R with a relation S. If R has m tuples and S has n tuples, then the maximum and minimum size of the join respectively are
A. m+n and 0
B. m+n and |m-n|
C. mn and 0
D. mn and m+n
Answer:C
Consider the join of relation R with a relation S. If R has m tuples and S has n tuples, then the maximum and minimum size of the join respectively are
A. m+n and 0 B. m+n and |m-n| C. mn and 0 D. mn and m+n