Change or Set the MySQL Root password (Windows):
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1. Stop your MySQL server completely. This can be done by accessing the Services
window inside Windows XP and Windows Server 2003, where you can stop the MySQL service.

2. Open your MS-DOS command prompt using “cmd” inside the Run window.
Inside it navigate to your MySQL bin folder, such as C:\MySQL\bin using the cd command.

3. Execute the following command in the command prompt: mysqld.exe -u root –skip-grant-tables

4. Leave the current MS-DOS command prompt as it is, and open a new MS-DOS command prompt window.

5. Navigate to your MySQL bin folder, such as C:\MySQL\bin using the cd command.

6. Enter “mysql” and press enter.

7. You should now have the MySQL command prompt working.
Type “use mysql;” so that we switch to the “mysql” database.

8. Execute the following command to update the password:

UPDATE user SET Password = PASSWORD(‘NewPassword’) WHERE User = ‘root’;

However, you can now run any SQL command that you wish.

After you are finished close the first command prompt and type “exit;” in the second command prompt
windows to disconnect successfully. You can now start the MySQL service.

Please note that the 8 step process above can differ depending on the MySQL version you are using,
how you configured your server, etc. However, many times you can still easily
work around a problem that you experience in any of the steps.

To change root password to an empty:
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UPDATE user SET Password = PASSWORD(“”) WHERE User = ‘root’;

use mysql;
update user set password=null where User=’root’;
flush privileges;
quit;