如果要复制汇总信息,请指定“分组依据”选项。
If you want to copy summary information, specify Group By options.
“分组依据”列(因为尚未指定聚合查询),则搜索条件将被放入where子句中。
Group By column of the grid is not displayed (because you have not yet specified an aggregate query), the search condition is placed into the WHERE clause.
当选择“分组依据”选项或将聚合函数添加到查询中时,所有标记为输出或用于排序的列将自动添加到GROUPby子句中。
When you choose the GROUP BY option or add an aggregate function to a query, all columns marked for output or used for sorting are automatically added to the GROUP BY clause.
如果不想使某特定列成为GROUPBY子句的一部分,必须在“条件”窗格的“分组依据”列中选择不同的选项以手动更改该设置。
If you do not want a particular column to be part of the Group by clause, you must manually change it by selecting a different option in the Group by column of the Criteria pane.
指定了分组关键词后,必须在完成聚合计算之前,依据这一关键词对数据进行分组,如图13 所示。
When a grouping key is specified, the data must be grouped by this key before the aggregation can be computed, as illustrated in figure 13.
分组操作的performance - wise成本与依据分组列进行数据排序的成本类似。
The grouping operation is about as costly performance-wise as sorting the data by the grouping column.
最优分组原则为评价和选择传感器的分组组合方式提供了一个理论依据。
The optimal grouping principle provides a theoretical basis for evaluating and choosing the ways of grouping properly.
交叉表查询可对值进行汇总,然后按两组依据对它们分组:一组沿侧面排列(行标题),另一组沿顶端排列(列标题)。
Crosstab queries summarize your values and then group them by two sets of facts - one set down the side (row headings), and the other across the top (column headings).
依据有限域直和与有限环同构的代数性质,对多路复用系统构造线性分组码。
According to algebraic property that a direct sum of Galois fields is isomorphic to a finite ring, the linear block code for multiplexing systems is proposed.
分组方法:依据三相骨显像的显像结果,患者分成2组,显像正常组和异常组。
Sets: According to the results of three-phase bone scan, the patients were divided into 2 groups: normal and abnormal groups.
应用dtr,变更依据‘活动(activities)’进行分组,这些活动,包括文件和文件夹的不同版本,就是传播的单位。
With DTR, changes are grouped in 'activities', and these activities - which contain versions from a set of files and folders - are units of propagation.
本文由六个部分组成:绪论,介绍选题的依据,研究的意义、范围、现状、思路和方法。
This treatise is composed by six parts: Introduction. To introduce the basis, scope, status, ideas and methods of the study.
整个论文由引言、文献综述、研究的理论依据、现状调查、策略指导和结论六部分组成。
The whole paper consists of introduction, literature review, and theories of research, investigation of the status quo, strategy instruction and conclusion.
如前所述,可以依据位置或者其他视觉属性进行分组。
These groupings, as discussed earlier, can be accomplished through spacing or through Shared visual properties.
本文在前人研究的基础上,依据大学生体质健康测试成绩,对安徽省高校学生进行分组研究。
Based on the previous research and physical health test results of the students, the research is done in the division of Anhui University students.
本文在前人研究的基础上,依据大学生体质健康测试成绩,对安徽省高校学生进行分组研究。
Based on the previous research and physical health test results of the students, the research is done in the division of Anhui University students.
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