Question

Suppose your global schema from previous exercise is used at a mediator. How would the mediator process the query that asks for the maximum amount of hard-disk available with any computer with a 3 gigahertz processor speed?

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If the global schema from Exercise 20.2.2 is used at a mediator, then we have

Computer_Systems_Whse(sID, proc, speed, memory, hd, screen, maxResX, maxResY)

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