mysql 5.7.20 How to change password

How to change the password in mysql 5.7.20: First log in to the system as the system administrator; then open cmd; finally change the password through the "update user set authentication_string=password('123456') ..." command. Can.

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mysql 5.7.20 Change the root password.

1. Log in to the system as a system administrator.

2. Open cmd

Check whether mysql is started. net start mysql

If you start it, stop it. Net stop mysql

3. Skip the permission check and start mysql. Click the bin directory in mysql, then hold down the shift right key, and then select open command window

Paste in mysqld-nt --skip-grant-tables

4. User login mysql -uroot -p

Select database use mysql;

5 . The password field in the mysql5.7 version is not password, so we enter the following sentence to reset the password

  update user set authentication_string=password('123456') where user='root';

6. Refresh flush privileges;

7. Exit quit; and restart the service.

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