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Give an example of a logical query plan of the form

, for some expressions E and F (which you may choose), where using the best plans to evaluate E and F does not allow any choice of algorithm for the final join that minimizes the total cost of evaluating the entire expression. Make whatever assumptions you wish about the number of available main-memory buffers and the sizes of relations mentioned in E and F.

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Computer Engineering, Engineering

Category:- Computer Engineering
Reference No.:- M91968762

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