标题: ORA-30755: error during expansion of view hierarchy [打印本页] 作者: admin 时间: 2016-9-5 15:42 标题: ORA-30755: error during expansion of view hierarchy ORA-30755: error during expansion of view hierarchy Cause: There was an errorwhile trying to expand a view hierarchy. This could be
due to invalid subviews (or subviews with errors) Action: Ensure that allsubviews are valid e.g. alter view ... compile and retry the
operation.