Business

Business, 26.09.2019 18:30, zeinabelsiblini

Suppose you need to sort a relation of 40 gigabytes, with 4 kilobyte blocks, using a memory size of 40 megabytes. suppose the cost of a seek is 5 milliseconds, while the disk transfer rate is 40 megabytes per second. a. find the cost of sorting the relation, in seconds, with bb=1 and with bb=100. b. in each case, how many merge passes are required?

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