Solution of forgetting root password in mysql5.7 under Windows

Windows Next Mysql5.7 forget root Password solution

1、 First check mysql Whether the service starts , If it is started, stop the service first , It can be run in the start menu , Use command ：
net stop mysql service name

Open Administrator cmd window , Switch to mysql Of bin Catalog , Run the command ：

mysqld --defaults-file="MySQL The configuration file " --skip-grant-tables

notes ：
--skip-grant-tables
The command passes the permission security check , Turn on mysql service , Connect like this mysql when , You don't have to enter a user password .

2、 Open another administrator cmd window , Connect mysql：
Enter the command ：
mysql -uroot -p

appear ：
Enter password:

Enter directly to log in , No password required .

Use the command to switch to mysql database ：
use mysql;

Use the command to change root password ：

5.7 Version of command
update mysql.user set authentication_string=password(' New password ') where user='root';

5.7 Previous versions used this command
update user set password=password(" New password ") where user="root';

Refresh the permissions ：
flush privileges;

sign out
quit

restart MySQL service

Log back in ：
mysql -uroot -p

Enter password prompt appears , Enter a new password to log in ：

Enter password: ***********