Suppose that pa b c qa c rb are relations such that p, Computer Engineering

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Suppose that pa b c qa c rb are relations such that p

Question :

Suppose that P(A, B, C), Q(A, C), R(B) are relations such that P contains 6 tuples, Q contains 2 tuples and R contains 3 tuples.

Find the maximum possible number of tuples in the relation (P * Q) R, where '* ' is the symbol tor the natural join and ' ' the symbol for the division operation.

Give an example of relations P, Q, R with concrete values.

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Computer Engineering: Suppose that pa b c qa c rb are relations such that p

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