Secondly, schema validation adds type annotations from the schema to each XML element and attribute, and these types get persisted in DB2s XML storage.
其次，模式验证将来自模式的类型注释添加到每个xml元素和属性，这些类型在DB 2 XML存储中得到持久化。
Instead, it requires the developer only to denote the attributes to be persisted and to identify the attribute to represent the object's unique identifier (or primary key).
相反，它只需要程序员将属性标记为持久性的，并识别出能代表对象唯一标识符(或者主键)的属性。
If the business relevant attribute is set for an activity, the activity instance is always persisted.
如果为一个活动设置与业务相关的属性，那么该活动实例就会一直持续下去。
If the business relevant attribute is set for an activity, the activity instance is always persisted.
如果为一个活动设置与业务相关的属性，那么该活动实例就会一直持续下去。
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