标题: ORA-30344: number of child cols different [打印本页] 作者: admin 时间: 2016-9-4 19:55 标题: ORA-30344: number of child cols different ORA-30344: number of child cols different from number of parent levelcols Cause: The number of childcolumns specified in a JOIN KEY clause is not the
same as the number of columns in the specified parent level. Action: Check the childcolumns and the columns in the definition of the
referenced parent level and correct the discrepency.