• 由于DB 2优化准备阶段知道参数标记,因此生成一个所有情况下都不是最万能(one - size - fits - all)访问计划

    Because the DB2 optimizer does not know the values of the parameter markers in the prepare phase, a one-size-fits-all access plan is generated that cannot be optimal in all cases.

    youdao

  • 特定类型复杂数据调整万能服务器查询优化大大提高这些数据类型的查询速度

    Tuning the Universal Server's query optimizer for particular types of complex data can vastly improve querying speed on those data types.

    youdao

  • 当然所有技术不是万能的,实践中应该不断调整优化

    Of course, no technique is universal, so we should reorganize and optimize it in practice.

    youdao

  • 当然所有技术不是万能的,实践中应该不断调整优化

    Of course, no technique is universal, so we should reorganize and optimize it in practice.

    youdao

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