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  • mysql常见命令

    1.进入mysql:mysql -u root -p

    2.允许远程访问:

    mysql -u root –p
    mysql>use mysql;
    mysql>update user set host = '%' where user = 'root';
    mysql>flush privileges;
    3.添加新用户
    命令:CREATE USER 'username'@'host' IDENTIFIED BY 'password';
    例子: CREATE USER 'dog'@'localhost' IDENTIFIED BY '123456';
    CREATE USER 'pig'@'192.168.1.101_' IDENDIFIED BY '123456';
    CREATE USER 'pig'@'%' IDENTIFIED BY '123456';
    CREATE USER 'pig'@'%' IDENTIFIED BY '';
    CREATE USER 'pig'@'%';
    4.授权

    命令:GRANT privileges ON databasename.tablename TO 'username'@'host'

    说明: privileges - 用户的操作权限,如SELECT , INSERT , UPDATE 等(详细列表见该文最后面).如果要授予所的权限则使用ALL.;databasename - 数据库名,tablename-表名,如果要授予该用户对所有数据库和表的相应操作权限则可用*表示, 如*.*.

    例子: GRANT SELECT, INSERT ON test.user TO 'pig'@'%';
    GRANT ALL ON *.* TO 'pig'@'%';

    注意:用以上命令授权的用户不能给其它用户授权,如果想让该用户可以授权,用以下命令:
    GRANT privileges ON databasename.tablename TO 'username'@'host' WITH GRANT OPTION;
    三.设置与更改用户密码

    命令:SET PASSWORD FOR 'username'@'host' = PASSWORD('newpassword');如果是当前登陆用户用SET PASSWORD = PASSWORD("newpassword");

    例子: SET PASSWORD FOR 'pig'@'%' = PASSWORD("123456");

    四.撤销用户权限

    命令: REVOKE privilege ON databasename.tablename FROM 'username'@'host';

    说明: privilege, databasename, tablename - 同授权部分.

    例子: REVOKE SELECT ON *.* FROM 'pig'@'%';
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  • 原文地址:https://www.cnblogs.com/roy-blog/p/6055091.html
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