mysql> update user set password=password(“新密码”) where user=”用户名”;
执行后报错 ERROR 1054(42S22) Unknown column ‘password‘ in ‘field list’
错误的原因是 5.7版本下的mysql数据库下已经没有password这个字段了，password字段改成了authentication_string
所以请使用一下命令：
mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 12
Server version: 5.7.18-log MySQL Community Server (GPL)**
Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement.
mysql> use mysql;
Database changed
mysql> select User from user; #此处为查询用户命令
--------- | User |
--------- | * | | mysql.sys | | root |
---------
rows in set (0.00 sec)
mysql> update user set password=password("") where user=""; #修改密码报错
ERROR 1054 (42S22): Unknown column ‘password‘ in ‘field list‘
mysql> update mysql.user set authentication_string=password(‘‘) where user=‘‘; #修改密码成功
Query OK, 1 row affected, 1 warning (0.00 sec)
Rows matched: 1 Changed: 1 Warnings: 1
mysql> flush privileges; #立即生效
Query OK, 0 rows affected (0.00 sec)
mysql> quit
Bye
n>mysql -u * -p #以该用户登录成功.
Enter password:
…………………………
mysql>
原文地址：https://blog.51cto.com/lovejxs/2431411