The purpose of query tuning is to provide the best possible input to the optimizer so that the optimizer can choose the best access path.

性能调优的目的是尽可能为优化器提供最好的输入，以便优化器能选择最好的访问路径。

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The purpose of these optimizations is to avoid invocation of the regular SQL runtime interpreter wherever possible to shorten the code path.

这些优化的目的是为了可以在任何缩短代码路径的地方，避免调用常规的SQL运行时解释器。

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This tale takes readers on a quest to explore their own passion, purpose, and happiness in life and work. The themes presented are most appropriate for graduates just embarking on their path.

这个故事鼓励读者在生活和工作中去追求和探索自己的热情、目标以及快乐，展现的主题十分适合于刚刚踏上旅途的毕业生们。

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The path to your purpose might be hard and rough or it might be easy and smooth.

WHITEHOUSE: Following My Purpose

The purpose is to focus the energy and effort of the movement to forge a path forward to stop bullying -- both offline and online.

CNN: 'Stopping bullying means liberation'

And while most applications have default folders where the files they create (such as the Excel spreadsheet mentioned above) are saved, the path to such a folder may have been changed (by you or another user, either accidentally or on purpose).

CNN: How do I retrieve a lost file?