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ORA-28086: The evaluation of the policy expression failed. string ORACLE 报错故障修复远程处理

2023-11-05 19:59

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文档解释

ORA-28086: The evaluation of the policy expression failed. string

Cause: The evaluation of the policy expression failed.

Action: Specify a valid policy expression.

ORA-28086错误是Oracle在策略表达式评估时发生的错误。当策略表达式里的一个或多个函数（例如 dba_policy_riteria 函数）读取一个不存在的 oracle 模式时，会出现该错误。

官方解释

ORA-28086 是一个策略表达式评估时遇到的错误，由于一个或多个函数

dba_policy_criteria，读取不存在的Oracle模式而产生。

常见案例

一个常见的ORA-28086错误案例是使用了Oracle数据库安全策略框架，然后配置的策略表达式，但策略表达式引用了一个不存在的Oracle模式，导致此错误。

一般处理方法及步骤

1.检查并确认断定的装载模式是否未在数据库中。

2.检查策略表达式，检查是否有不存在的模式被引用。

3.识别是否存在策略表达式，它引用了不存在的模式，如果是，则需要将该表达式更新以使用有效模式。

4.重新加载安全策略来进行更改，以便将更新的策略表达式加载入策略。

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