Question: Suppose a relation has two attributes: A1 and A2, and their domains D1 and D2 are sets of 10 and 5 elements, respectively. If A1

Suppose a relation has two attributes: A1 and A2, and their domains D1 and D2 are sets of 10 and 5 elements, respectively. If A1 happens to be the primary key, what is the maximum number of tuples the relation can have? Justify your answer.

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