MySQL 5.7数据库修改密码时报错：“错误代码： 1054 Unknown column 'Password' in 'field list'”
1. 修改语句：UPDATE USER SET PASSWORD = PASSWORD('新密码') WHERE USER = '用户名';
2. 原因：MySQL 5.7后，PASSWORD字段改为了authentication_string;
3. 解决：
* UPDATE mysql.`user` SET authentication_string = PASSWORD('新密码') WHERE USER = '用户名';
* FLUSH PRIVILEGES;