Windows系统下MySQL忘记root密码的2种解决办法

C:\Users\Administrator>cd /d D:\MySQL8031\bin

D:\MySQL8031\bin>mysqld --console --skip-grant-tables --shared-memory

C:\Users\Administrator>cd /d D:\MySQL8031\bin

D:\MySQL8031\bin>mysql -uroot
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 7
Server version: 8.0.31 MySQL Community Server - GPL

Copyright (c) 2000, 2022, Oracle and/or its affiliates.

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>

update mysql.user set authentication_string='' where user='root';
flush privileges;
ALTER USER 'root'@'localhost' IDENTIFIED BY 'root';

net start mysql8031

C:\Users\Administrator>cd /d D:\MySQL8031\bin\

D:\MySQL8031\bin>mysql -uroot -proot
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.0.31 MySQL Community Server - GPL

Copyright (c) 2000, 2022, Oracle and/or its affiliates.

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>

ALTER user root@'localhost' identified by 'root';

net stop mysql8031