Question: V. Query Optimization Consider the following relations: Branch (BranchName, Assets, City) Customer (CustomerName, Address, City). Account (Account Number, BranchName, CustomerName, Balance). The following query finds

V. Query Optimization Consider the following relations: Branch (BranchName, Assets, City)

V. Query Optimization Consider the following relations: Branch (BranchName, Assets, City) Customer (CustomerName, Address, City). Account (Account Number, BranchName, CustomerName, Balance). The following query finds the assets and names of all banks that have depositors living in Blacksburg and have a balance of more than $100,000: Tasset, BranchWang (Customer. City="Blacksburg' AND Balance >100 Customer na Account Branch) Use the heuristic rules to rewrite this query into something that be executed much faster. (Hint: You may draw the query tree and optimize it step-by-step as shown in the textbook)

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