创建触发器:
delimiter $$
create trigger ranran
before update(after update|before insert|after insert) on user for each row
begin
insert into wuxiaoxiao(note) values("before update!");
或者(insert into wuxiaoxiao(note) values(new.user_name);)
end;
$$
删除触发器:
drop trigger trigger_name;
查看触发器:
show triggers;
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