如果出现临时系统错误、网络故障或服务不可用，准备调用过程中使用的数据将丢失。

If temporary system errors, network failures, or service unavailability occur, the data used in preparation of the call is lost.

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Oracle和DB 2 UDB都提供了一些有效的机制和功能，来保护数据不会由于媒介损坏或人为错误而丢失。

Oracle and DB2 UDB both provide effective mechanisms and capabilities for securing data from loss due to media corruption or human error.

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因此，当真正发生错误时，就表示您可能得到一个不完整的文档或解析文档中的数据可能丢失、篡改或错误。

So what you really get with an error is indication that you might get an incomplete document or that some data in that parsed document might be lost, garbled, or inaccurate.

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