Consider the join of relations rab sbc tcd and uad where r, Ask an Expert

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Consider the join of relations R(a,b), S(b,c), T(c,d), and U(a,d), where R and U each have 1000 tuples, while S and T each have 100 tuples. Further, there are 100 values of all attributes of all relations, except for attribute c, where V(S,c) = V{T,c) - 10.

a) What is the order selected by the greedy algorithm? What is its cost?

b) What is the optimum join ordering and its cost?

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Computer Engineering, Engineering

Category:- Computer Engineering
Reference No.:- M91968759

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