标题: ORA-30364: this level has the same set [打印本页] 作者: admin 时间: 2016-9-4 20:01 标题: ORA-30364: this level has the same set ORA-30364: this level has the same set of columns as another Cause: The level definitioncontained the same set of columns as another level. Action: Eliminate theredundant level definition.