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  • mysql 远程连接数据库的二种方法

    一、连接远程数据库:
    1、显示密码

    如:MySQL 连接远程数据库(192.168.5.116),端口“3306”,用户名为“root”,密码“123456”

    C:/>mysql -h 192.168.5.116 -P 3306 -u root -p123456
    2、隐藏密码

    如:MySQL 连接本地数据库,用户名为“root”,

    C:/>mysql -h localhost -u root -p  Enter password:
    二、配置mysql允许远程链接
        默认情况下,mysql帐号不允许从远程登陆,只能在localhost登录。本文提供了二种方法设置mysql可以通过远程主机进行连接。
    一、改表法

        在localhost登入mysql后,更改 "mysql" 数据库里的 "user" 表里的 "host" 项,将"localhost"改称"%"

    例如:
      #mysql -u root -p
       Enter password:
        ……
       mysql>

      mysql>update user set host = '%' where user = 'root';

      mysql>select host, user from user;

    二、授权法

        例如: 你想myuser使用mypassword(密码)从任何主机连接到mysql服务器的话。

      mysql>GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'%'IDENTIFIED BY 'mypassword' WITH GRANT OPTION;

      如果你想允许用户myuser从ip为192.168.1.6的主机连接到mysql服务器,并使用mypassword作为密码

      mysql>GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'192.168.1.3'IDENTIFIED BY

      'mypassword' WITH GRANT OPTION;

       mysql>FLUSH PRIVILEGES

      使修改生效,就可以了

    常见问题:  1、在采用法二授权法之后,无法在本地登录mysql(如:#mysql -u root -p -h 192.168.5.116 Enter password:  ERROR 1045 (28000): Access denied for user 'root'@'loadb116' (using password: YES) 上例中loadb116是主机名. 解决方法:  1、这时可以使用:mysql  -u root -p 登录,进入到mysql后。 mysql> grant all privileges on *.* to 'root'@'loadb116'         identified by '123456' with grant option;  Query OK, 0 rows affected (0.00 sec) mysql> flush privileges;  Query OK, 0 rows affected (0.00 sec) 2、在本地使用ip地址登录 # mysql -u root -p -h 192.168.5.116  Enter password:  Welcome to the MySQL monitor.  Commands end with ; or /g. Your MySQL connection id is 60 Server version: 5.1.45 MySQL Community Server (GPL)
    Type 'help;' or '/h' for help. Type '/c' to clear the buffer.
    mysql>
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  • 原文地址:https://www.cnblogs.com/liuys635/p/10859860.html
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