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标题: ORA-54027: cannot modify data-type of virtual column [打印本页]
作者: 曾春华 时间: 2016-9-4 09:52
标题: ORA-54027: cannot modify data-type of virtual column
ORA-54027: cannot modify data-type of virtualcolumn
Cause: Attempted to change thedata-type of virtual column without modifying
the underlying expression
Action: change the underlyingexpression to be compatible with the data-type
change
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