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Calculate the following three numbers for the query assuming that integer and float numbers are of 3 2 bytes in length, the selectivity of '
Calculate the following three numbers for the query assuming that integer and float numbers are of bytes in length, the selectivity of Peters is a student has enrolment records, and no intermediate result is written to the disk as it is small in size:
total MB of data read from the disks in all locations,
the number of comparisons,
total bytes of data transferred over the internet.
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