• 这些通常是响应查询的简短答案。

    These are typically short answers in response to queries.

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  • 从这个查询的结果中选择一个记录。

    Select a record from the results of this query.

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  • 这样通常可以提高查询的性能。

    This can improve query performance in general.

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  • 这对于查询的优化有着不良的影响。

    This will have an undesirable effect on query optimization.

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  • 这种异步可以显著提高查询的性能。

    This asynchrony can lead to significant improvements in query performance.

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  • 查询的访问路径:如何访问这些表?

    The access path of the query: How are the tables accessed?

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  • 执行查询的估计开销也显著降低了。

    The estimated cost of executing the query has decreased dramatically, also.

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  • 此查询的结果显示在清单8中。

    The result of this query is shown in Listing 8.

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  • QGM是查询的图形化表现方式。

    QGM is a graphical representation of the query.

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  • 将在响应中发送应答该查询的信息。

    The information to answer the query will be sent in a response.

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  • 这个附录展示这种查询的样子。

    This appendix shows what such queries might look like.

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  • 下图展示了我们所发出的查询的结果。

    The figure below shows the results of the query we issued.

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  • 图13显示了此查询的输出。

    Figure 13 illustrates the output of this query.

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  • 该查询的有些方面值得注意。

    A few aspects of this query are worth noting.

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  • 您可以将查询的输出仅限制为特定字段。

    You can restrict the output of the query to specific fields only.

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  • 清单2是这类查询的示例。

    Listing 2 is an example of such a query.

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  • 该查询的速度也会更快。

    That query will be much faster.

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  • 查询的结果也显示出来。

    The results of the query are also shown.

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  • 有时这会使查询的结构看起来很复杂和庞大。

    Sometime this makes the query look complex and large in structure.

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  • 该查询的性能并不好。

    Performance of this query will not be good.

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  • 创建恰当的索引将提高查询的性能。

    Creating proper indexes improves the performance of the query.

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  • 异步可以显著提高联邦查询的性能。

    Asynchrony can significantly improve the performance of federated queries.

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  • 以下是OQL查询的一些简单示例。

    Below are some simple examples of OQL queries.

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  • 图1显示以上示例查询的输出。

    Figure 1 shows the output of the sample queries above.

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  • 清单3显示了通配符查询的过程。

    Listing 3 demonstrates the process of doing a wildcard search.

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  • 查询的语义:此查询访问哪些表?

    The semantics of the query: Which tables are accessed in the query?

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  • 判断查询的度量集。

    Determine the set of measures for the query.

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  • 计算昂贵的查询的性能可以得到改善。

    The performance of queries that are computationally expensive can be improved.

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