Do not delete the two original data sets, because the report still USES them to populate the joint data set.
不要删除两个原始的数据集，因为表格仍然会使用它们来实现关系数据集。
Listing 10 shows one approach, which is to bind the "Delete" trigger to a node in the data model, and then to make that node non-relevant when the count of nodes in the set reaches 1.
清单10给出了一种方法，那就是将“删除”触发器绑定到数据模型中的节点上，然后在节点集中的节点数达到1时使该节点变为不相关。
Depending on the kind of data history that the DBA wants to maintain, this data delete interval should be set.
应该根据DBA希望维护的数据历史类型设置数据删除时间间隔。
A flag, if set, indicates to automatically delete all stored data at application startup.
一个flag，如果设置了，那么表示在应用程序启动时自动删除所有已存储的数据。
Rollout is the ability to delete a set of related data as a unit, with minimal logging, without having to delete individual rows.
Rollout是指将一组相关的数据作为一个单元一起删除，涉及很少的日志记录，并且不必逐行删除。
For queries or views that show data from a single table or view, you can edit the values in individual columns in the result set, add new rows, and delete existing rows.
如果是显示来自单一资料表或检视表资料的查询或检视表，您可以在结果集内的个别资料行中编辑值、加入新的记录列以及删除现有的资料列。
For queries or views that show data from a single table or view, you can edit the values in individual columns in the result set, add new rows, and delete existing rows.
如果是显示来自单一资料表或检视表资料的查询或检视表，您可以在结果集内的个别资料行中编辑值、加入新的记录列以及删除现有的资料列。
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