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Explain good strategy for processing queries

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Determine all machines at Almaden plant. Determine all employees at plant which comprises machine number 1130. Determine all employees at plants which comprise machines whose type is "milling machine." Explain a good strategy for processing each of following queries. Determine all machines at Almaden plant. Determine employee 1 machine. 19.19 For each of strategies of Exercise 19.18, state how your choice of strategy depends on: The site at which query was entered The site at which result is desired 19.20 Compute r 19.21 Is ri n rj essentially equal to rj rj = rj n ri hold?

Reference no: EM1382499

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