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标题: ORA-39321: Cannot alter functional index or virtual expression column: [打印本页]

作者: 曾春华 时间: 2016-9-8 17:13
标题: ORA-39321: Cannot alter functional index or virtual expression column:

ORA-39321: Cannot alter functional index orvirtual expression column: string

Cause: Altered column was referencedin a virtual column or functional index

expression. There is no SQL ALTER statement to change acolumn which is

referenced in one of these types of expressions.

Action: The difference cannot beeliminated with a SQL ALTER statement.

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