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ORA-54031: column to be dropped or modified is used in a virtual column expression ORACLE 报错 故障修复 远程

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ORA-54031: column to be dropped or modified is used in a virtual column expression ORACLE 报错 故障修复 远程

文档解释

ORA-54031: column to be dropped or modified is used in a virtual column expression

Cause: Attempted to drop or modify a column that was used in a virtual column expression.

Action: Drop the virtual column first or change the virtual column expression to eliminate dependency on the column to be dropped.

ORA-54031:消息类型:错误

ORA-54031:错误的消息:column to be dropped or modified is used in a virtual column expression

官方解释

此错误消息意味着尝试丢弃或修改已在虚拟列表达式中使用的一列。

常见案例

1.当你尝试丢弃或更改数据库表中被虚拟列表达式使用的列时,你可能会得到这个错误消息。

2.尝试更改虚拟列表达式中使用的列的类型会导致此错误。

一般处理方法及步骤

1.把同一表中使用到被要求丢弃或更改的列的虚拟列表达式删除或修改掉。

2.尝试再次执行所需的更改或丢弃操作。

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ORA-54031: column to be dropped or modified is used in a virtual column expression ORACLE 报错 故障修复 远程

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