Question: You are given three relations, R(A,B,C,D), S(C,D,E,F) and T(E,F,G,H), having respectively nr, ns and nt tuples. a) What is the maximum number of tuples that

You are given three relations, R(A,B,C,D), S(C,D,E,F) and T(E,F,G,H), having respectively

You are given three relations, R(A,B,C,D), S(C,D,E,F) and T(E,F,G,H), having respectively nr, ns and nt tuples. a) What is the maximum number of tuples that you may find in relation Q defined as follows? Q:= R An San T Justify your answer. b) Use relational algebra and the set-inclusion operator (c) to express the constraint {C,D} in relation S is a foreign key from relation R

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