Mysql带返回值与不带返回值的2种存储过程写法

过程1：带返回值：

 drop procedure if exists proc_addNum; create procedure proc_addNum (in x int,in y int,out sum int) BEGIN SET sum= x + y; end

 call proc_addNum(2,3,@sum);select @sum;

 drop procedure if exists proc_addNum; create procedure proc_addNum (in x int,in y int) BEGIN DECLARE sum int; SET sum= x + y; SELECT sum; end

 call proc_addNum(2,3);

随机推荐