Method 1: Log in to MySQL first with the SET PASSWORD command .
Format: mysql> set password for username@localhost = password('new password');
Example: mysql> set password for root@localhost = password('123');
Method 2: Use mysqladmin
format: mysqladmin -u username -p old password password New password
example: mysqladmin -uroot -p123456 password 123
Method 3: Edit the user table directly with UPDATE
First log in to MySQL.
mysql> use mysql;
mysql> update user set password=password('123') where user='root' and host='localhost';
mysql> flush privileges;
Method 4: When you forget the root password, you can
use windows like this For example:
1. Shut down the running MySQL service.
2. Open a DOS window and go to the mysql\bin directory.
3. Type mysqld --skip-grant-tables and press Enter. --skip-grant-tables means to skip permission table authentication when starting the MySQL service.
4.
5. Type mysql and press Enter. If successful, the MySQL prompt > will appear.
6. Connect to the permission database: use mysql; .
6. Change the password: update user set password=password("123") where user="root"; (don't forget to add a semicolon at the end).
7. Refresh privileges (required step): flush privileges; .
8. Exit quit.
9. Log out of the system, log in again, and log in with the username root and the new password 123 just set.
MySQL change root password
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