ORA-39321: Cannot alter functional index or virtual expression column: string

ORA-39321: Cannot alter functional index or virtual expression column: string
Cause: Altered column was referenced in a virtual column or functional index expression. There is no SQL ALTER statement to change a column which is referenced in one of these types of expressions.
Action: The difference cannot be eliminated with a SQL ALTER statement.

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小智 2018-08-30 16:52

ORA-39321：无法更改函数索引或虚拟表达式列：string,
.原因：在虚拟列或函数索引表达式中引用了已更改的列。没有SQL ALTER语句来更改在这些类型的表达式之一中引用的列。,
.操作：使用SQL ALTER语句无法消除该差异。,
.

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ORA-39321: Cannot alter functional index or virtual expression column: string

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