mysql 8.0版本更换用户密码

首先 cmd 进入命令行

mysql -uroot -p

 2、查询版本号

select version();

看一下数据库

show databases;

使用mysql即可

进行查询 user、host

 select user,host from user;

修改root的密码

alter user 'root'@'%' identified by '1234';

刷新权限

flush privileges;

Microsoft Windows [版本 10.0.19045.2251](c) Microsoft Corporation。保留所有权利。C:\Users\cj>mysql -uroot -pEnter password: ****Welcome to the MySQL monitor.  Commands end with ; or \g.Your MySQL connection id is 5707Server version: 8.0.33 MySQL Community Server - GPLCopyright (c) 2000, 2023, Oracle and/or its affiliates.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql> select version();+-----------+| version() |+-----------+| 8.0.33    |+-----------+1 row in set (0.00 sec)mysql> show databases;+--------------------+| Database           |+--------------------+| dongtou            || guozi              || information_schema || jinkai             || kunshan            || kunshan02          || kunshan03          || membership_system  || mysql              || performance_schema || sys                |+--------------------+11 rows in set (0.53 sec)mysql> use mysql;Database changedmysql>  select user,host from user;+------------------+-----------+| user             | host      |+------------------+-----------+| root             | %         || mysql.infoschema | localhost || mysql.session    | localhost || mysql.sys        | localhost |+------------------+-----------+4 rows in set (0.61 sec)mysql> alter user 'root'@'%' identified by '1234';Query OK, 0 rows affected (1.12 sec)mysql> alter user 'root'@'%' identified by '1234';Query OK, 0 rows affected (0.44 sec)mysql> flush privileges;Query OK, 0 rows affected (1.43 sec)mysql>

来源地址：https://blog.csdn.net/weixin_46085718/article/details/131429634