ORA-30450: refresh_after_errors was TRUE; The following MVs could not be refreshed: string

文档解释

ORA-30450: refresh_after_errors was TRUE; The following MVs could not be refreshed: string

Cause: One or more errors occurred during a refresh of multiple summaries.

Action: The number_of_failures parameter returns the count of how many failures occurred. The trace logs for each refresh operation describe the each individual failure in more detail

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该错误指的是当refresh_after_errors设置为TRUE时，Oracle数据库无法正确地刷新特定的一些视图。

官方解释

常见案例

一般处理方法及步骤

1.检查原因：确定ORA-30450错误的原因，是特定MV使用的主键或外键更改，或MV的数据不完整等。

2.解决问题：重新定义MV，并将refresh_after_errors参数设置为FALSE；

3.创建新MV：重新创建MV，恢复正常刷新；

4.严格遵循MV刷新规范：保证MV刷新正确，避免后续出现此错误。