底层XML数据格式的任何细微变化都需要修改对象。
Any small change to the underlying XML data format requires maintenance of the object.
它从数据库中加载业务对象,以及将这些对象的变化更新到数据库中。
It loads business objects from a database and saves changes from those objects back to the database.
可以同步数据和模式中的变化,也可以解决涉及对模型对象进行逻辑操作的数据变化。
You can synchronize changes in data and schema. You can also address data changes that involve logical operations on your model objects.
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