解决mysql ERROR 1045 (28000): Access denied for user 'ODBC'@'localhost'

1.停掉mysql服务

1.PS C:\WINDOWS\system32> net stop mysql
2.mysql 服务正在停止.
3.mysql 服务已成功停止。

2.执行 mysql --shared-memory --skip-grant-tables

PS C:\WINDOWS\system32> mysqld --shared-memory --skip-grant-tables

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====== 以下操作，需要重打开一个终端 ======
3、 执行 mysql

PS C:\WINDOWS\system32> mysql
 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 7
Server version: 8.0.17 MySQL Community Server - GPL
 
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
 
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
 
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

4.执行指令 FLUSH PRIVILEGES; 刷新权限

mysql> FLUSH PRIVILEGES;
 
Query OK, 0 rows affected (0.05 sec)

5.修改root密码为123456(这个密码随便改)

mysql> ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '123456';
 
Query OK, 0 rows affected (0.02 sec)

6.退出mysql,在第一个窗口执行退出的任务

7.重新启动mysql

PS C:\WINDOWS\system32> net start mysql
 
mysql 服务正在启动 ..
mysql 服务已经启动成功。

8.重新登陆mysql

PS C:\WINDOWS\system32> mysql -u root -p
 
Enter password: ******
 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.0.17 MySQL Community Server - GPL
 
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
 
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
 
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
 
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