mysql8.0.15如何修改密码_MySql8.0.15修改root密码

1、编辑 /etc/my.cnf

在[mysqld]下添加：

skip-grant-table

2、重启Mysql

# systemctl restart mysqld

3、进入mysql操作

# mysql -u root

Welcome to the MySQL monitor.  Commands end with ; or g.

Your MySQL connection id is 8

Server version: 8.0.15 MySQL Community Server - GPL

Copyright (c) 2000, 2019, 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> flush privileges;

Query OK, 0 rows affected (0.44 sec)

mysql> alter user 'root'@'localhost'IDENTIFIED BY 'newpassword';

Query OK, 0 rows affected (0.02 sec)

mysql>

4、删除掉配置文件里的skip-grant-table

5、重启

异常：

ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ''Aaa+123456'' at line 1

密码必须包含大写、小写、数字和特殊字符。不能有+号。