• 这样通常可以提高查询的性能。

    This can improve query performance in general.

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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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  • 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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  • 获取正在运行的查询的可执行id。

    Get executable ID of the running query.

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  • 此查询的数据源是Yahoo !

    The data source for this query is Yahoo!

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  • 更高的业务智能样式查询的性能。

    Improved performance for business intelligence style queries.

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  • 查询的其他部分在前面已经解释过了。

    The rest of the query has already been explained.

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  • 现在只需要编写一个执行查询的函数。

    Now, all that's left is to build a function for executing this query.

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  • 当前该查询的状态为stopped。

    Currently the status of the query is stopped.

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  • 访问反向文本索引的查询的访问计划。

    Access plan for query accessing an inverted text index.

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  • 图2显示了这个查询的一个可能的计划。

    Figure 2 shows a possible plan for this query.

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  • 还需要一个进行实际查询的XML文件。

    You'll also need an XML file to actually query.

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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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  • 未使用反向文本索引的查询的访问计划。

    Access plan for query without inverted text index.

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  • 不使用hash索引的查询的访问计划。

    Access plan for query without hash index.

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  • 在图10中您可以看到该查询的预期结果。

    You can see the expected result of this query in Figure 10.

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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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  • MQT是基于一个查询的结果而定义的表。

    An MQT is a table whose definition is based on the result of a query.

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  • 这个例子查询的结果如下

    The result of this example query might look something similar to Listing 23.

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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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  • 但是如果您要查询的数据不经常改变怎么办?

    But what if the data you are querying doesn't change very often?

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  • 第三部分详细地解释了所执行查询的每一步。

    The third part is the detailed explanation of every step the query executed.

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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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  • 包括访问每个表的查询的样本。

    A sample that includes queries that access each table.

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  • d是将要查询的数据库的名称。

    D is the name of the database that is to be queried.

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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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  • 判断查询的切片。

    Determine the slice of the query.

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  • 最外面的表达式的结果就是查询的结果。

    The result of the outermost expression is the result of the query.

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  • 表1中的信息就基于这样的查询的示例输出。

    The information in Table 1 is based on sample output from such a query.

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