mysql 8.0 以后 PASSWORD=PASSWORD('root') 命令无效,
#修改密码需要以下命令:
ALTER USER root@localhost IDENTIFIED BY 'password' PASSWORD EXPIRE NEVER;
#客户端连接mysql出现plugin caching_sha2_password could not错误,主要因为MYSQL修改了加密方式,
#而SQLlog或者native等客户端软件暂时不支持caching_sha2_password加密方式,需要通过以下命令修改:
ALTER USER root@localhost IDENTIFIED WITH mysql_native_password BY 'root';