create procedure queryNameById; -> // +---------------+-------------------------------------------------------------------------------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------+----------------------+----------------------+--------------------+ | Procedure | sql_mode | Create Procedure | character_set_client | collation_connection | Database Collation | +---------------+-------------------------------------------------------------------------------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------+----------------------+----------------------+--------------------+ | queryNameById | ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION | CREATE DEFINER=`root`@`localhost` PROCEDURE `queryNameById`(In uid int(15)) begin select name from user_info where id=uid; end | utf8 | utf8_general_ci | latin1_swedish_ci | +---------------+-------------------------------------------------------------------------------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------+----------------------+----------------------+--------------------+ 1 row in set (0.04 sec)
删除存储过程
drop procedure <过程名称>
删除存储过程queryNameById
mysql> drop procedure queryNameById//
Query OK, 0 rows affected (0.02 sec)
mysql> call queryNameById(1)//
ERROR 1305 (42000): PROCEDURE rms.queryNameById does not exist
4、总结
自定义函数和存储过程都是完成特定功能的SQL集合，那么他们有什么不同呢？
a、调用方式不同
#自定义函数
select <函数名>
#存储过程
call <存储过程名>
b、自定义函数不能有输出参数，而存储过程可以。
c、自定义函数必须要包含return语句，而存储过程则不需要。