ubuntu19.10安装mysql8.0.17
sudo apt-get update
sudo apt-get install mysql-server
service mysql start
sudo cat /etc/mysql/debian.cnf
mysql -u debian-sys-maint -pcbgGngUkZVfzsxRJ //找到用户名和密码登陆
ALTER USER ‘root’@‘localhost’ IDENTIFIED BY ‘hadoop’ PASSWORD EXPIRE NEVER;
ALTER USER ‘root’@‘localhost’ IDENTIFIED WITH mysql_native_password BY ‘hadoop’;
flush privileges;
//改变数据库编码