Explain good strategy for processing queries

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Reference no: EM1382499

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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