create or replace trigger buid_mend_manager
after insert or update or delete
on TMP_EIC_MEND
referencing old as old_value
new as new_value
for each row
begin
if inserting then
insert into Eic_mend(mendid, mendname)
values(:new_value.mendid, :new_value.mendname);
elsif updating then
update Eic_mend set mendname = :new_value.mendname
where mendid = :new_value.mendid;
elsif deleting then
delete from Eic_mend where mendid = :old_value.mendid;
end if;
end;

编写触发器实现两张表数据同步，sql代码如下：