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Please help with these questions! Very important Relation instances means the output/result, show the tables! Consider the SALES database on the last page of this

Please help with these questions! Very important Relation instances means the output/result, show the tables!

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Consider the SALES database on the last page of this handout. Show the relation instances that would be produced by each of the following relational algebra operations. a. Quantity2 150000 (Product) b. City(Customer) c. PName,QuantityPrice (Quantity

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