PS::今天巴西又被虐了，做梦以为是3：1，醒来是3：0
mysql> delimiter $$mysql> create procedure p3()    -> MODIFIES SQL DATA    -> BEGIN    -> set @i=0;    -> set @max=100;    -> while @i<@max do    -> insert into user values (@i);    -> set @i = @i + 1;    -> end while;    -> end $$