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ORA-22327: cannot change a type to NOT INSTANTIABLE if it has dependent tables ORACLE 报错故障修复远程处理

2023-11-05 09:15

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文档解释

ORA-22327: cannot change a type to NOT INSTANTIABLE if it has dependent tables

Cause: An attempt was made to change a type with dependent tables to NOT INSTANTIABLE.

Action: Drop all dependent tables of the target type and resubmit the statement.

ORA-22327错误是指无法将已有依赖表的类型改变为不可实例化状态（实例化状态由 INSTANTIABLE/NOT INSTANTIABLE 来表示）。

官方解释

ORA-22327表明用户已尝试将一个具有实例化状态的对象更改为不实例化，但该对象具有一些被依赖的表。不允许将一个具有依赖表的对象类型更改为不实例化。

常见案例

ORA-22327常见于当用户尝试将某个有实例化状态的对象更改为不实例化时，例如在建立模式或更新类型时出现此错误。由于存在被依赖的表，所以对象无法更改为NOT INSTANTIABLE状态。

一般处理方法及步骤

1、检查类型下是否存在任何被其他系统或表依赖的模式

2、将其他系统或表的依赖先释放

3、更改类型的实例化状态

4、确认实例化状态是否被更改成功

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ORA-22327: cannot change a type to NOT INSTANTIABLE if it has dependent tables ORACLE 报错故障修复远程处理

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