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存储过程语法
 设置变量: set @dogNum = 1002;
 1、无参的存储过程
 delimiter $
 CREATE PROCEDURE 存储过程名()
 begin
 存储过程体
 end $;
2、有参数的存储过程
 delimiter $
 CREATE PROCEDURE 存储过程名(in|out|inout 参数名1 参数类型,参数名2 参数类型……)
 begin
 存储过程体
 end $;
3、删除存储过程:
 DROP PROCEDURE IF EXISTS 存储过程名;
4、创建调用查询存储
drop PROCEDURE if EXISTS PRO_TEST
delimiter $
create PROCEDURE PRO_TEST()BEGINselect name from test  WHERE name = "xiaoli";end $call PRO_TEST   调用show PROCEDURE STATUS  查询存储过程drop PROCEDURE PRO_TEST    删除存储过程
 
有参数的存储过程
DROP PROCEDURE IF EXISTS `test`;  
delimiter $
CREATE PROCEDURE test(in dogNum int(10))beginselect d.dog_num ,d.dog_name ,d.dog_kind ,d.dog_age  from dog d where d.dog_num =dogNum;end $
call test(1001);
 
带有输出参数
DROP PROCEDURE IF EXISTS `sp_test_out`;  
delimiter $
CREATE PROCEDURE sp_test_out(out col_test varchar(20))beginselect 'test' into col_test from dual;end $;call sp_test_out(@col_test);
select @col_test;
