(Solved): 2-assume-following-query-select-isbn-title-sum-quantity-average-price-author-b0ok-b-writes-q37022412….

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QUESTION

2. Assume the following query: SELECT isbn, title, sum (quantity), average (price) FROM AUTHOR A, B0OK B, WRITES W, SALES S Wiv. hash join. v. If after the join of AUTHOR and WRITES we project on isbn, name, address, country, what is the size (in num

2. Assume the following query: SELECT isbn, title, sum (quantity), average (price) FROM AUTHOR A, B0OK B, WRITES W, SALES S WHERE

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