安裝教程 https://www.cnblogs.com/xuqp/p/9172254.html

無法用navicat登錄的解決方法

ALTER USER ‘root‘@‘localhost‘ IDENTIFIED BY ‘password‘ PASSWORD EXPIRE NEVER; #修改加密規則
ALTER USER ‘root‘@‘localhost‘ IDENTIFIED WITH mysql_native_password BY ‘password‘; #更新一下用戶的密碼

FLUSH PRIVILEGES; #刷新權限

再重置下密碼：alter user ‘root‘@‘localhost‘ identified by ‘123qwe‘;
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作者：5515
來源：CSDN
原文：https://blog.csdn.net/u010026255/article/details/80062153?utm_source=copy
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添加用戶：

create user "username"@"host" identified by "password";

安裝mysql 8 及 修復登錄錯誤日誌