它至少应该与源操作系统中的数据一样好。
It should be at least as good as the data in the source operational system.
在这个例子中，如果目标和源数据表有匹配的行，就实行更新操作。
In this example, and update occurs if the target and source have matching row.
ship操作符从远程数据源获取数据。
The SHIP operator gets the data from the remote data source.
默认情况下，source操作符缓存其输入数据源一个小时。
By default, the source operator caches its input feed for an hour.
NET数据源控件还支持数据操作的异步数据检索模式。
NET data source controls also support an asynchronous data retrieval pattern for data operations.
NET数据源控件还支持数据操作的异步数据检索模式。
NET data source controls also support an asynchronous data retrieval pattern for data operations.
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