SQLyog连接mysql8,报错1251

原因：mysql8以前的加密规则与mysql8以后的存在差异
CMD命令窗口执行以下命令：

ALTER USER \'root\'@\'localhost\' IDENTIFIED BY \'密码\' PASSWORD EXPIRE NEVER;

ALTER USER \'root\'@\'localhost\' IDENTIFIED WITH mysql_native_password BY \'密码\';

FLUSH PRIVILEGES;