[C语言函数模板问题]首先,C没有函数模版。C++才有。 其次,template <class T>;是函数声明的一部分,所以下面函数实现应该是: template <class T> void swap(T &a,T &b){ int temp; temp=a; a=b; b=...+阅读
两种方法,建议你用触发器:32313133353236313431303231363533e59b9ee7ad9431333335316566
create or replace trigger business
after insert on tbl_business
for each row
begin
if :new.business_amt =2000000 then
insert into tbl_Rbusiness(business_id,user_id,business_date,business_amt) values (:new.business_id,:new.user_id,:new.business_date,:new.business_amt);
end if;
end;
函数:
create or replace function amount return number as
v_exists number;
begin
for v in (select * from tbl_business) loop
if (v.business_amt = 2000000) then
select count(*) into v_exists from ip
where business_id = v.business_id
and user_id = v.user_id
and business_date = v.business_date
and business_amt = v.business_amt;
if v_exists = 0 then
insert into ip (business_id,user_id,business_date,business_amt)
values (v.business_id,v.user_id,v.business_date,v.business_amt);
commit;
end if;
end if;
end loop;
end;
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