以下的文章主要是介绍MySQL5创建存储过程的实例演示,MySQL5创建存储在实际操作中应用的频率还是很高的,以下就是MySQL5创建存储过程的实例具体描述,希望在你今后的学习中会有所帮助。
1 用mysql客户端登入
2 选择数据库
mysql>use test
3 查询当前数据库有哪些存储过程
mysql>show procedure status where Db='test'
4 创建一个简单的存储过程
mysql>create procedure hi() select 'hello';
5 存储过程创建完毕,看怎么调用它
mysql>call hi();
显示结果 mysql> call hi();
+-------+
| hello |
+-------+
| hello |
+-------+
1 row in set (0.00 sec) Query OK, 0 rows affected (0.01 sec)
6 一个简单的储存过程就成功了,这只是一个演示,存储过程可以一次执行多个sql语句,所以php只连接数据库一次就能查询多个语句;不过要返回多个结果集就必须用mysqli扩展来查询,否则会提示错误can't return a result set in the given context,所以要使用这些新功能,最好适应使用mysqli的php扩展库
函数的用法类似,就是多了一个返回值,以上的相关内容就是对MySQL5创建存储过程实例的介绍,望你能有所收获。

上述的相关内容就是对MySQL5创建存储过程实例的描述,希望会给你带来一些帮助在此方面。

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