How to retrieve the root password of MySQL if you forget it

Hello everyone , I meet you again , I'm your friend, Quan Jun .

Windows Next if MySQL I forgot the password root Unable to login due to password , As shown in the figure below ,

What to do at this time , Only reset root It's a password .

1. Open the task manager to view MySql Whether the service starts , If it has been started, stop it first

2. find MySql In the catalog my.ini file

3. Open the file , Find the inside [mysqld], Then add skip-grant-tables, Save the file after adding

4. Re entering the task manager will MySQL The service starts up

5. Run as administrator cmd

Note that you must run as an administrator in this way cmd, Out-of-service win+R Input cmd function , Otherwise “’mysql’ Not an internal or external command , Nor are they runnable programs or batch files ” Error of .

6. Input mysql -u root -p You can log in without a password , appear password： You can enter when you enter .

7. Get into mysql database ：

mysql> use mysql;Database changed

8. to root The user sets a new password ：mysql> update user set password=password(“123456″) where user=”root”;

Tips ：Query OK, 1 rows affected (0.04 sec)Rows matched: 1 Changed: 1 Warnings: 0

PS：123456 For new password , Users can change their password according to their own needs

9. Before opening my.ini File will be added ”skip-grant-tables“ This line is deleted

10. Open Task Manager and restart MySQL service . Then we can use the password we just set “123456” Connected to the database .

Mysql Of root Password changed successfully ！

Additional explanation ！！！

The last step update user set password=password(“root”) where user=”root”; Only applicable to 5.5 edition ; 5.7 The version should put the first password Change the field to authentication_string; The result is update user set authentication_string=password(“123456″) where user=”root”

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