标题: ORA-22893: constraint can be specified only [打印本页] 作者: admin 时间: 2016-9-1 08:19 标题: ORA-22893: constraint can be specified only ORA-22893: constraint can be specified only for REF columns Cause: The constraintspecified does not apply to non-REF columns. Action: Remove the constraintand retry the operation.