1. 连接mysql
~~~php
mysql - u root - p;
~~~
>[info] root 用户名
>输入命令之后 提示输入输入密码
2. 创建外网连接用户
~~~php
GRANT ALL PRIVILEGES ON *.* TO 'name'@'%' IDENTIFIED BY 'pwd' WITH GRANT OPTION;
grant all privileges on *.* to 'name'@'%' identified by 'pwd' with grant option;
grant select on database . * to 'name'@localhost identified by 'pwd';
~~~
>[info] name 表示创建的用户名
> % 表示可以以任意方式连接
> pwd 用户的登录密码
3. 查询已经创建的用户
~~~php
SELECT DISTINCT CONCAT('User: ''',user,'''@''',host,''';') AS query FROM mysql.user;
select distinct concat('user: ''',user,'''@''',host,''';') as query from mysql.user;
~~~
4. 退出 断开连接
~~~php
exit;
~~~
5. 查看端口号
~~~php
show global variables like 'port';
~~~
6. 查看版本号码
~~~php
select version();
~~~