存储过程

1、查询数据

CREATE DEFINER=`root`@`%` PROCEDURE `myproc`()
BEGIN

	SELECT * from mytest;

END

2、插入数据(传入参数)

CREATE DEFINER=`root`@`%` PROCEDURE `myinsert`(IN `id` int,IN `name` varchar(255),IN `age` int)
BEGIN
	
	INSERT into mytest(id, name, age) VALUES(id, name, age);

END

3、查询数据(输出参数)

CREATE DEFINER=`root`@`%` PROCEDURE `myselect`(OUT `age` int)
BEGIN
	
	SELECT @age=age from mytest WHERE id=1;

END

4、循环体结构

CREATE DEFINER=`root`@`%` PROCEDURE `myinsert80`(IN `i` int)
BEGIN
	
	while @i < 100
		do
			INSERT into mytest(id, name, age) VALUES(@i, '45', 66);
			set @i = @i + 1;
		end while;

END

 

 

参考链接

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posted @ 2023-03-20 16:01  先娶国王后取经  阅读(14)  评论(0编辑  收藏  举报