An access path graph not only describes the "operational details" of query execution, it also describes how the data flows.
访问路径图不但描述“操作细节”，而且描述数据如何流动。
The description of each operation includes a Query Tuner access path graph that explains its operational semantics.
每一个操作的描述都包括一个解释其操作语义的 Query Tuner 访问路径图。
Through the optimization of the transport path, we can improve the operational efficiency of enterprise and reduce distribution costs, achieve scientific logistics.
通过对运输路径优化，我们可以提高企业的运作效率，降低配送成本，实现物流科学化。
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