What steps do you take to determine the bottleneck of a slow running ETL process?如果ETL进程运行较慢,需要分哪几步去找到ETL系统的瓶颈问题。

题目

What steps do you take to determine the bottleneck of a slow running ETL process?

如果ETL进程运行较慢,需要分哪几步去找到ETL系统的瓶颈问题。


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    A. is

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    Atire;did;do

    Btiring;have;done

    Ctired;do;do

    Dtired;have;been doing


    D

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    A. your, your

    B. you, your

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    正确答案:C

  • 第5题:

    What ______ you do this Sunday if it ______?

    A. do, will rain
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