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。

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Each attribute has its own validation rules, and there are also rules about how combinations of attributes are handled.

每个属性具有自己的验证规则，另外还有关于如何处理属性组合的规则。

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There are numerous use cases surrounding attribute validation.

在属性确认器周围有一些用例。

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