mysql 存储过程

name	age	phone
chen	25	134xxxx
zhang	30	158xxxxx

 

 

 

 

 

语法：

CREATE PROCEDURE  过程名([[IN|OUT|INOUT] 参数名 数据类型[,[IN|OUT|INOUT] 参数名 数据类型…]]) [特性 ...] 过程体

CREATE PROCEDURE myproc(OUT s int) BEGIN SELECT COUNT(*) INTO s FROM students; END

 

带IN参数示例

DROP PROCEDURE IF EXISTS in_param;
DELIMITER //
CREATE PROCEDURE in_param (IN para_in INT)

BEGIN
SELECT * from table1 WHERE age = para_in;
END ;
//DELIMITER

#调用
SET @para_in = 25;

CALL in_param (@para_in);