How many blocks of memory are required to achieve this cost, Computer Engineering

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How many blocks of memory are required to achieve this cost

Suppose that relations r and s contain 20 and 30 blocks respectively, and the block nested-loop join algorithm is used to natural-join r and s. What is the cost in terms of number of seeks and number of block transfers in a best case senarious?

How many blocks of memory are required to achieve this cost in the best case senarous?

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Computer Engineering: How many blocks of memory are required to achieve this cost

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