1、停止?服務?

PS C:\WINDOWS\system32> net stop mysql mysql 服務正在停止. mysql 服務已成功停止。

2、執行 mysqld --shared-memory --skip-grant-tables

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

------以下操作?另外打開一個?終端-----

3、?執行?mysql

PS C:\WINDOWS\system32> mysqlWelcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 7 Server version: 8.0.17 MySQL Community Server - GPLCopyright (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、執行指令?FLUSH PRIVILEGES;?刷新權限

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

5、修改root密碼為123456

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

6、退出mysql

mysql> quitBye

7、在第一個窗口?退出執行的任務??

8、重新啟動?mysql

PS C:\WINDOWS\system32> net start mysqlmysql 服務正在啟動 .. mysql 服務已經啟動成功。

9、重新登錄mysql

PS C:\WINDOWS\system32> mysql -u root -pEnter 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 - GPLCopyright (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.mysql>

?

總結

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