本意向修改一個用戶的密碼，網上搜到的命令為如下
mysql> update user set password=password(“新密碼”) where user=”用戶名”;
執行后報錯 ERROR 1054(42S22) Unknown column 'password' in ‘field list’
錯誤的原因是 5.7版本下的mysql數據庫下已經沒有password這個字段了，password字段改成了authentication_string
所以請使用一下命令：
>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; #此處為查詢用戶命令 +-----------+
| User |
+-----------+
| ******* |
| mysql.sys |
| root |
+-----------+
3 rows in set (0.00 sec) mysql> update user set password=password("*******") where user="*******"; #修改密碼報錯 ERROR 1054 (42S22): Unknown column 'password' in 'field list' mysql> update mysql.user set authentication_string=password('*******') where user='*******'; #修改密碼成功 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 #以該用戶登錄成功. Enter password: ******** ………………………… mysql>