第三个SOA用例代表了两种模式的组合：数据整合和数据事件发布或更改数据捕获，如图4所示。
The third SOA use case represents a combination of two patterns: data consolidation and data event publishing or change data capture, as in Figure 4.
在此情况下，您将需要选择在保存更改前捕获的运行数据快照。
Then you will need to select the run data snapshot that was taken prior to saving the changes.
安装或卸载应用程序时，在保存更改前捕获运行数据快照。
When you install or uninstall an application, take a snapshot of the run data prior to saving the changes.
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