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Problem 19 (4 pts): If we are given the following table. ORDER ITEMS OrderId. Region Quantity east east center center west Suppose that we want

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Problem 19 (4 pts): If we are given the following table. ORDER ITEMS OrderId. Region Quantity east east center center west Suppose that we want to delete all order_items with an order quantity greater than 3, give the relational algebra to achieve this. Hint: using assignment operatorf and subtracting operator. Ans

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