Suppose that the current instances of relations R(A, B) and S(A, C) have 100 tuples and 200
Fantastic news! We've Found the answer you've been seeking!
Question:
Suppose that the current instances of relations R(A, B) and S(A, C) have 100 tuples and 200 tuples, respectively.
(a) What are the minimum and maximum possible number of tuples in the resulting relation instance of R S.
(b) What is your answer to the above question if it is given that attribute A is a key for R.
(c) When attribute A is a key for R and A is a foreign key for S referencing R.
Expert Answer:
Related Book For 
Posted Date:
