标题: ORA-22957: NULL is an invalid input to powermultiset [打印本页] 作者: admin 时间: 2016-9-1 08:29 标题: ORA-22957: NULL is an invalid input to powermultiset ORA-22957: NULL is an invalid input to powermultiset and COLLECTfunctions Cause: NULL was given asinput to the powermultiset or COLLECT function. Action: Give a non-null valueas input