When should data be set to disk for safekeeping during the ETL？简述ETL过程中哪个步骤应

For data transmission to be successful，sending and receiving devices must follow a set of

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When data（) , it has to be analyzed to decide what it all means.

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What should be done when a relative decides to join？A．Try not to be partial.B．Help him to

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When used with reversing reduction gears, medium－speed diesel engines should be bolted to

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When should people be made to retire？ 55？ 65？ Should there be a com pulsory age limit？

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Children should be regularly _____ to great works of art .A.shownB.givenC.exposedD.di

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Which of the following network devices should be installed at a data center to intelligently distribute client connections to a pool of servers?()

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