标题: ORA-30505: system triggers should not reference [打印本页] 作者: admin 时间: 2016-9-4 21:34 标题: ORA-30505: system triggers should not reference ORA-30505: system triggers should not reference a column in a WHENclause Cause: An attempt was madeto use a WHEN clause to reference a column with a
system trigger, but this type of trigger is not supported because a systemtrigger
does not have a base table. Action: Change the WHENclause to an appropriate clause.