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mysql之存储过程

 

存储过程

注意:存储过程名称后面必须加括号,哪怕该存储过程没有参数传递

 

1.基本语法:

create procedure sp_name()begin.........end修改命令结束符delimiter $

 

 

例:

创建procedurecreate procedure myproce()beginINSERT INTO main (num) VALUES (15);end;调用存储过程:call myproce();查看数据库中所有的存储过程:show procedure status;查看存储过程的创建代码show create procedure proc_name;删除存储过程drop procedure proc_name

 

 

 

2.基本语法:

 

CREATE FUNCTION hello () RETURNS .......RETURN 

 

 

例:

创建functionCREATE FUNCTION hello (s CHAR(20)) RETURNS CHAR(50)RETURN CONCAT('Hello, ',s,'!');调用functionselect hello('world');查看存储过程函数的创建代码show create function func_name;删除drop function func_name;

 


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