Modify the root password of mysql in win10

    Sometimes the root password of mysql is easy to forget. At this time, you can change the password by entering the safe mode of mysql – skip-gratn-tables. The steps are as follows:
    1) Enter the bin directory of mysql

   cd D:\DBtools\mysql5_7_31_winx64\bin

    2) Use the administrator to open a CMD black box and enter the following command to close the mysql service

   net stop mysql

    3) Enter mysql safe mode

   mysqld -nt --skip-grant-tables

    4) Open a CMD black box with administrator privileges, and enter the following commands in sequence:

   mysql -uroot -p
   Enter password: 此项不用填，直接回车
   use mysql;
   update mysql.user set authentication_string=password('你的密码') where host='localhost' and user='root';
   flush privileges;
   exit

    5) Open the mysql database service, and use alter to update the password, and enter the following commands in sequence:

   net start mysql
   mysql -uroot -p
   Enter password: 你的密码
   ALTER USER 'root'@'localhost' IDENTIFIED BY '你的密码';
   exit