An alternative is to use XPath constructs to create filtered subsets of the XML node tree and return them to the caller.
另外也可以使用XPath构造创建xml节点树的过滤子集并将其返回给调用方。
Call mining on different subsets of the data (for example, to create recursive drill-down reports).
在数据的不同子集上调用数据挖掘(例如，创建递归下钻报告)。
Colouring can be used to group subsets within the data or, as in this case, to create a heat map.
数据内的要素可以通过填色加以分类，或者正如本表一样，填色可以制作一张热门的图表。
If you want to create subtotals or show other summary information for subsets of a table, you create groups using an aggregate query.
如果要创建小计或显示表的子集的其他汇总信息，可使用聚合查询创建组。
If you want to create subtotals or show other summary information for subsets of a table, you create groups using an aggregate query.
如果要创建小计或显示表的子集的其他汇总信息，可使用聚合查询创建组。
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